Bearings
Federal Supply Group (FSG): 31
NATO Supply Classification Group (NSG): 31
Note-All bearings, including specially designed, lubricated, and/or selected, are to be classified in the appropriate classes of this group. Bearings are parts that supports another part which rotates, slides, or oscillates in or on it.
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Frequently Asked Questions (FAQ) for Federal Supply Group 31
- What is Federal Supply Group 31?
- FSG 31 is the Federal Supply Group (formally known as NATO Supply Classification Group NSG 31) in the USA for supply items codified in the category of Bearings.
- What is NATO Supply Classification Group 31?
- NSG 31 is the NATO Supply Classification Group (also known as Federal Supply Group FSG 31 in the USA) for supply items codified in the category of Bearings.
- Which Federal Supply Classes are in FSG 31?
- FSG 31 contains the following Federal Supply Classes (FSC) (formally known as NATO Supply Classification Class [NSC]): 3130, 3120, 3110
- Which NATO Supply Classification Classes are in NSG 31?
- NSG 31 contains the following NATO Supply Classification Classes (NSC) (also known as Federal Supply Class [FSC] in the USA): 3130, 3120, 3110
Supply Items Included in Federal Supply Group 31
- What is a Pillow Block Cap? 2042 Items
- A Pillow Block Cap (CAP,PILLOW BLOCK) is an item designed to be affixed to a base, forming a housing for a removable bearing or the bearing may be an integral part of the housing. It is used to prevent the admission of dirt and/or foreign matter, retain the lubricant and to position a shaft or the like.
- What is a Ball Bearing Unit? 2746 Items
- A Ball Bearing Unit (BEARING UNIT,BALL) is an assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.
- What is a Plain Bearing Unit? 2618 Items
- A Plain Bearing Unit (BEARING UNIT,PLAIN) is an assembled unit, composed of a housing incorporating a plain bearing, or bearings, designed to meet various or specific conditions of mounting.
- What is a Roller Bearing Unit? 1153 Items
- A Roller Bearing Unit (BEARING UNIT,ROLLER) is an assembled unit, composed of a housing incorporating a single or multiple row roller bearing(s), designed to meet various or specific conditions of mounting.
- What is a Bearing Unit Housing? 8923 Items
- A Bearing Unit Housing (HOUSING,BEARING UNIT) is a single or multiple piece item without ball, plain or roller bearing(s). It is designed to meet various or specific conditions of mounting. For items with bearings, see BEARING UNIT, BALL; BEARING UNIT, PLAIN; and BEARING UNIT, ROLLER.
- What is a Strut Tube Bearing Assembly? 28 Items
- A Strut Tube Bearing Assembly is an assembly consisting of staves, anode, bearing, housing, and the like to support a rotating propulsion shaft in the aft part of the hull.
- What is a Bearing Housing Liner? 936 Items
- A Bearing Housing Liner (LINER,BEARING HOUSING) is a rigid tubular item which fits between a bearing and its housing, designed primarily as a replaceable wear surface within the inner wall of the housing.
- What is a Spherical Plain Bearing? 2029 Items
- A Spherical Plain Bearing (BEARING,PLAIN,SPHERICAL) is a detachable part in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes BEARING, PLAIN, SELF-ALIGNING.
- What is a Sleeve Bearing? 55975 Items
- A Sleeve Bearing (BEARING,SLEEVE) is a tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.
- What is a Sleeve Bushing? 86050 Items
- A Sleeve Bushing (BUSHING,SLEEVE) is a tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see BUSHING, NONMETALLIC. See also BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; and BUSHING, ELECTRICAL CONDUCTOR. Excludes BUSHING, DRILL, JIG.
- What is a Self-Aligning Plain Bearing? 4565 Items
- A Self-Aligning Plain Bearing (BEARING,PLAIN,SELF-ALIGNING) is a detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.
- What is a Rod End Plain Bearing? 6117 Items
- A Rod End Plain Bearing (BEARING,PLAIN,ROD END) is a detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.
- What is a Railway Axle Plain Bearing? 19 Items
- A Railway Axle Plain Bearing (BEARING,PLAIN,RAILWAY AXLE) is a block of brass or bronze lined with antifriction metal, which serves as a bearing surface, carrying the weight of the railway car and resting on the axle journal.
- What is a Thrust Washer Bearing? 15581 Items
- A Thrust Washer Bearing (BEARING,WASHER,THRUST) is an item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.
- What is a V Bearing? 70 Items
- A V Bearing (BEARING,V) is a cylindrical device, primarily designed to furnish a bearing surface for a low-speed oscillating shaft. The item consists of a precision machined or inclosed V or modified V groove and may include a drilled hole for spring loading.
- What is a Sleeve Bearing Blank? 193 Items
- A Sleeve Bearing Blank (BEARING BLANK,SLEEVE) is an item usually cylindrically shaped with or without a flange. It is designed to be drilled after installation and used as a BEARING, SLEEVE. Excludes items in bulk form. See also BUSHING BLANK.
- What is a Sleeve Bearing Half Set? 3572 Items
- A Sleeve Bearing Half Set (BEARING HALF SET,SLEEVE) is two or more identical or different sizes or types of BEARING HALF, SLEEVE packaged or grouped together for single issue as a unit, for replacement of worn and/or damaged bearings. See BEARING HALF, SLEEVE. Excludes BEARING SET, SLEEVE.
- What is a Sleeve Bearing Set? 1310 Items
- A Sleeve Bearing Set (BEARING SET,SLEEVE) is two or more identical or different sizes or types of BEARING, SLEEVE packaged or grouped together for single issue as a unit, for replacement of worn and/or damaged bearings. See BEARING, SLEEVE. Excludes BEARING HALF SET, SLEEVE.
- What is a Sleeve Bearing Half? 3850 Items
- A Sleeve Bearing Half (BEARING HALF,SLEEVE) is a half of a two-piece split type BEARING, SLEEVE.
- What is a Linear-Rotary Motion Roller? 4332 Items
- A Linear-Rotary Motion Roller (ROLLER,LINEAR-ROTARY MOTION) is a cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.
- What is a Mechanical Equipment Bearing Replacement Parts Kit? 917 Items
- A Mechanical Equipment Bearing Replacement Parts Kit (PARTS KIT,BEARING REPLACEMENT,MECHANICAL EQUIPMENT) is a parts kit consisting of one or more bearings or bearing assemblies, which are issued as a unit for repair/replacement. It may include gasket(s), O-ring(s), race(s), seal(s), spacer(s), washer(s), or the like.
- What is a Track Roller Plain Bearing? 187 Items
- A Track Roller Plain Bearing (BEARING,PLAIN,TRACK ROLLER) is a detachable assembly consisting of an outer and inner ring, designed for use in a track roller or similar application. It is used to carry a load and reduce sliding friction. It does not employ rolling elements, but may incorporate non-metallic liners or sleeves to aid in reducing friction and/or providing lubrication. See also BEARING, BALL, TRACK ROLLER; and BEARING, ROLLER, TRACK ROLLER. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.
- What is a Cam Follower Plain Bearing? 135 Items
- A Cam Follower Plain Bearing (BEARING,PLAIN,CAM FOLLOWER) is a detachable assembly, which provides rolling contact with a cam or similar device, and converts reciprocating or oscillating motion to linear motion. The assembly consists of an outer ring and and integral stud. It does not employ rolling elements but may incorporate nonmetallic liners or sleeves to aid in reducing friction and/or providing lubrication. See also CAM FOLLOWER, NEEDLE BEARING.
- What is a Jewel Bearing? 44 Items
- A Jewel Bearing (BEARING,JEWEL) is an item generally round in shape and usually having a centrally located hole. It has at least one flat bearing surface. It is made of precious or semi-precious gem (ruby, sapphire and the like), natural or synthetic. It is intended for use in precision instruments, meters, timing devices, clocks, and the like.
- What is a Thrust Washer Bearing Half? 495 Items
- A Thrust Washer Bearing Half (BEARING HALF,WASHER,THRUST) is a half of a two-piece BEARING, WASHER, THRUST.
- What is a Thrust Washer Bearing Set? 91 Items
- A Thrust Washer Bearing Set (BEARING SET,WASHER,THRUST) is a collection of identical or similar BEARING, WASHER, THRUST designed to be used for replacement of worn and/or damaged washers. Excludes WASHER ASSORTMENT.
- What is a Stern Tube Bearing Assembly? 49 Items
- A Stern Tube Bearing Assembly (BEARING ASSEMBLY,STERN TUBE) is an assembly consisting of staves, anode, bearing, housing and the like. It supports a rotating propulsion shaft.
- What is a Sleeve Bushing Half? 424 Items
- A Sleeve Bushing Half (BUSHING HALF,SLEEVE) is a half of a two piece split type BUSHING, SLEEVE.
- What is an Annular Ball Bearing? 40849 Items
- An Annular Ball Bearing (BEARING,BALL,ANNULAR) is a cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.
- What is a Cylindrical Roller Bearing? 8206 Items
- A Cylindrical Roller Bearing (BEARING,ROLLER,CYLINDRICAL) is a nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes BEARING, ROLLER, AIRFRAME.
- What is a Self-Aligning Roller Bearing? 1827 Items
- A Self-Aligning Roller Bearing (BEARING,ROLLER,SELF-ALIGNING) is an antifriction bearing having a cylindrical rolling element and one spherical raceway which will adjust to varying degrees of shaft and/or support misalignment without damage to the raceways and permits the full rating of the bearing to be utilized.
- What is a Journal Roller Bearing? 715 Items
- A Journal Roller Bearing (BEARING,ROLLER,JOURNAL) is an item in which the shaft or revolving part turns upon hardened rollers usually contained in a cage. It must contain an inner or outer race, or both. For items without a race(s), see RETAINER AND ROLLER, BEARING.
- What is a Thrust Ball Bearing? 2676 Items
- A Thrust Ball Bearing (BEARING,BALL,THRUST) is an antifriction bearing having a ball rolling element, designed to resist axial thrust, or to support an axial load. Excludes BEARING, BALL, PIVOT.
- What is a Thrust Roller Bearing? 1086 Items
- A Thrust Roller Bearing (BEARING,ROLLER,THRUST) is an antifriction bearing having a roller rolling element, designed to resist axial thrust, or to support an axial load.
- What is a Tapered Roller Bearing? 6131 Items
- A Tapered Roller Bearing (BEARING,ROLLER,TAPERED) is a cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes BEARING, ROLLER, THRUST.
- What is a Tapered Roller Bearing Cone? 443 Items
- A Tapered Roller Bearing Cone (CONE,TAPERED ROLLER BEARING) is an inner component of a tapered roller bearing which provides a contact surface for the rolling elements of the bearing.
- What is a Tapered Roller Bearing Cone And Rollers? 1868 Items
- A Tapered Roller Bearing Cone And Rollers (CONE AND ROLLERS,TAPERED ROLLER BEARING) is an assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).
- What is a Tapered Roller Bearing Cup? 1596 Items
- A Tapered Roller Bearing Cup (CUP,TAPERED ROLLER BEARING) is an outer component of a tapered roller bearing which provides a contact surface for the rolling elements of the bearing.
- What is a Bearing Adapter Sleeve? 458 Items
- A Bearing Adapter Sleeve (ADAPTER SLEEVE,BEARING) is an adapter sleeve used to mount and locate an antifriction bearing on a straight shaft permitting wide tolerances of shaft diameter and making it unnecessary to heat the bearing or use a press for mounting.
- What is an Inner Bearing Ring? 1434 Items
- An Inner Bearing Ring (RING,BEARING,INNER) is the inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
- What is an Outer Bearing Ring? 1035 Items
- An Outer Bearing Ring (RING,BEARING,OUTER) is the outer component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.
- What is a Bearing Seat? 942 Items
- A Bearing Seat (SEAT,BEARING) is a rigid item usually circular in shape, designed to accommodate a bearing. It positions the bearing but does not encase it or restrain its motion.
- What is a Bearing Ball Retainer? 874 Items
- A Bearing Ball Retainer (RETAINER,BALL,BEARING) is a frame or inclosure which spaces and retains the rolling elements of a BEARING, BALL (as modified).
- What is a Bearing Roller Retainer? 690 Items
- A Bearing Roller Retainer (RETAINER,ROLLER,BEARING) is a frame or inclosure which spaces and retains the rolling elements of a BEARING, ROLLER (as modified).
- What is a Bearing Retainer And Balls? 141 Items
- A Bearing Retainer And Balls (RETAINER AND BALLS,BEARING) is an assembled inner component of a ball bearing, consisting of a frame or inclosure which spaces and fixes the position of the rolling elements of a BEARING, BALL (as modified) and the spherical bodies which are the rolling elements in a BEARING, BALL (as modified).
- What is a Bearing Retainer And Rollers? 1400 Items
- A Bearing Retainer And Rollers (RETAINER AND ROLLERS,BEARING) is an assembled inner component of a roller bearing, consisting of a frame or inclosure which spaces and retains the rolling elements of a BEARING, ROLLER (as modified) and the rollers which are the rolling elements in a BEARING, ROLLER (as modified).
- What is a Bearing Ball? 5813 Items
- A Bearing Ball (BALL,BEARING) is a homogenous spherical body, a series of which provides the rolling elements in a BEARING, BALL (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes BALL, CHECK; BALL, VALVE, PORTED.
- What is a Bearing Roller? 2504 Items
- A Bearing Roller (ROLLER,BEARING) is a cylindrical body of either solid or hollow construction which provides the rolling elements in the roller bearing.
- What is a Needle Bearing Cam Follower? 1012 Items
- A Needle Bearing Cam Follower (CAM FOLLOWER,NEEDLE BEARING) is an assembly consisting of a roller and stud used to effect a rolling contact with a cam, and convert the reciprocating or oscillating motion to linear motion.
- What is an Airframe Ball Bearing? 2192 Items
- An Airframe Ball Bearing (BEARING,BALL,AIRFRAME) is a cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.
- What is a Fairlead Ball Bearing? 44 Items
- A Fairlead Ball Bearing (BEARING,BALL,FAIRLEAD) is a special single or multiple-row ball bearing, rigid or self-aligning, and constructed with a fairlead at one end.
- What is a Track Roller Ball Bearing? 114 Items
- A Track Roller Ball Bearing (BEARING,BALL,TRACK ROLLER) is an antifriction bearing having spherical rolling elements designed for use in a track roller assembly.
- What is an Airframe Roller Bearing? 399 Items
- An Airframe Roller Bearing (BEARING,ROLLER,AIRFRAME) is a cylindrical item in which the inner or outer ring turns upon row(s) of hardened ROLLER, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, ROLLER, CYLINDRICAL.
- What is a Track Roller Roller Bearing? 349 Items
- A Track Roller Roller Bearing (BEARING,ROLLER,TRACK ROLLER) is an antifriction bearing having cylindrical rolling elements designed for use in a track roller assembly.
- What is a Bell Crank Ball Bearing? 109 Items
- A Bell Crank Ball Bearing (BEARING,BALL,BELL CRANK) is a special double row ball bearing, retainer type, with integral flange.
- What is a Rod End Ball Bearing? 999 Items
- A Rod End Ball Bearing (BEARING,BALL,ROD END) is a special single or multiple-row ball bearing, rigid or self-aligning, and constructed with either a solid or hollow shank, internally or externally threaded.
- What is a Rod End Roller Bearing? 424 Items
- A Rod End Roller Bearing (BEARING,ROLLER,ROD END) is a special single or multiple-row roller bearing, rigid or self-aligning, and constructed with either inside threaded, plain hollow, maile threaded, or solid shank.
- What is a Needle Roller Bearing? 5788 Items
- A Needle Roller Bearing (BEARING,ROLLER,NEEDLE) is a single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
- What is a Pivot Ball Bearing? 126 Items
- A Pivot Ball Bearing (BEARING,BALL,PIVOT) is a bearing specifically designed internally to carry the combination radial and axial thrust produced at the end of a tapered or cylindrical flanged shaft in motion. See also BEARING, BALL, THRUST.
- What is a Radial And Thrust Ball And Roller Bearing? 302 Items
- A Radial And Thrust Ball And Roller Bearing (BEARING,BALL AND ROLLER,RADIAL AND THRUST) is a bearing consisting of a ball or roller radial unit and a ball or roller thrust unit. The inner ring of the radial unit is integrally one ring of the thrust unit. See also BEARING, BALL, ANNULAR.
- What is a Radial And Thrust Roller Bearing? 178 Items
- A Radial And Thrust Roller Bearing (BEARING,ROLLER,RADIAL AND THRUST) is a bearing consisting of a roller radial unit and a roller thrust unit. The inner ring of the radial unit is integrally one ring of the thrust unit. Excludes items in which the same row of rollers accommodates both radial and end thrust.
- What is a Steering Shaft Ball Bearing? 104 Items
- A Steering Shaft Ball Bearing (BEARING,BALL,STEERING SHAFT) is a special bearing designed primarily to resist axial thrust created by a low speed oscillating steering shaft. See BEARING, BALL, ANNULAR.
- What is a Replacement Bearing Shield? 942 Items
- A Replacement Bearing Shield (SHIELD,BEARING,REPLACEMENT) is a metal or plastic shield located on the face sides of a ball or roller bearing, primarily designed to prevent foreign substances from entering the internal construction of the bearing.
- What is a Bearing Retaining Plate? 4996 Items
- A Bearing Retaining Plate (PLATE,RETAINING,BEARING) is a comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes END BELL, ELECTRICAL ROTATING EQUIPMENT.
- What is a Duplex Ball Bearing? 1535 Items
- A Duplex Ball Bearing (BEARING,BALL,DUPLEX) is two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
- What is a Stack Ball Bearing? 112 Items
- A Stack Ball Bearing (BEARING,BALL,STACK) is a multiple assembly of more than two bearings matched for duplex mounting. Designed primarily for aircraft propeller and rotary wing aircraft rotor blade applications. See also BEARING, BALL, ANNULAR.
- What is a Bearing Collar? 589 Items
- A Bearing Collar (COLLAR,BEARING) is a retaining ring mounted on a shaft with setscrew, key or pin, specifically designed for the purpose of locating and positioning a bearing. For general purpose shaft collars, see COLLAR, SHAFT. Excludes BEARING WASHER, THRUST; and BEARING, SLEEVE.
- What is a Mechanical Equipment Bearing Replacement Parts Kit? 917 Items
- A Mechanical Equipment Bearing Replacement Parts Kit (PARTS KIT,BEARING REPLACEMENT,MECHANICAL EQUIPMENT) is a parts kit consisting of one or more bearings or bearing assemblies, which are issued as a unit for repair/replacement. It may include gasket(s), O-ring(s), race(s), seal(s), spacer(s), washer(s), or the like.
- What is a Stack Roller Bearing? 36 Items
- A Stack Roller Bearing (BEARING,ROLLER,STACK) is a multiple assembly of two or more roller bearings designed to evenly accommodate radial thrust. See also BEARING, ROLLER, NEEDLE and BEARING, ROLLER, CYLINDRICAL.
- What is a Fan And Water Pump Bearing? 80 Items
- A Fan And Water Pump Bearing (BEARING,FAN AND WATER PUMP) is a bearing consisting of either a double row of balls, or a combination of a ball and roller mounted on a shaft having a seal on one or both ends of the outer ring. The shaft has integrally formed raceways for the balls, thereby eliminating the necessity of inner rings. Designed primarily for fan and water pump applications.
- What is a Slewing Ring Bearing? 248 Items
- A Slewing Ring Bearing (BEARING,SLEWING RING) is a major cylindrical antifriction bearing in which the inner or outer ring turns on a single or multiple row of hardened balls and/or rollers. The rolling elements roll either directly on the inner and outer ring or on race wires inserted into these rings which may have gear teeth. The item is designed for direct eccentric mounting on components requiring support for rotational operation and it is primarily used to accommodate and support radar antennas, gun mounts, tank turrets and slewing cranes.
- What is a Bearing Roller Set? 145 Items
- A Bearing Roller Set (ROLLER SET,BEARING) is a multiple number of identical ROLLER, BEARING(S). The set may provide the rolling elements in a ROLLER, BEARING or be used independently, whereby the functions of the inner and outer races are performed by adajcent components.
- What is a Bearing Ball Set? 102 Items
- A Bearing Ball Set (BALL SET,BEARING) is a set of BALL,BEARING (00036). The balls may belong to a bearing or be used independent from a bearing. In the latter case the function of the inner and outer race is taken over by adjacent components.
- What is a Linear Motion Ball Bearing? 337 Items
- A Linear Motion Ball Bearing (BEARING,BALL,LINEAR MOTION) is a cylindrical device, containing three or more oblong ball circuits complete with a retainer to guide the balls in their proper path, specifically designed for use on sliding linear motion shafts to minimize friction and wear.
