Bearings, Antifriction, Unmounted

Federal Supply Class (FSC: 3110

NATO Supply Classification Class (NSC): 3110

Group Description: Bearings

Federal Supply Group (FSG): 31

NATO Supply Classification Group (NSG): 31

Page 1 of 471

NSN Format for Bearings, Antifriction, Unmounted

3110XXXXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN
FSC 3110 Bearings, Antifriction, Unmounted
FSC 3110 Bearings, Antifriction, Unmounted

Includes Ball Bearings; Roller Bearings; Balls; Races.

Excludes Plain Bearings (FSC 3120); Jewel Bearings (FSC 3120)

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.

Additional Information for Bearings, Antifriction, Unmounted Additional Information for Bearings, Antifriction, Unmounted

NATO Supply Class 3110 refers to Bearings, Antifriction, Unmounted. This class is a part of NATO Supply Group 31, which is specifically dedicated to Bearings.

Bearings are mechanical components that are used to reduce friction between moving parts and support rotational or linear motion. They are crucial in various industries, including automotive, aerospace, industrial machinery, and more.

The NATO Supply Class 3110 includes antifriction bearings that are unmounted. Antifriction bearings are designed to minimize friction and provide smooth operation by utilizing rolling elements, such as balls or rollers, between the bearing races.

These unmounted bearings are typically purchased separately and then installed into a housing or assembly as required. They come in various types, such as ball bearings, roller bearings, and needle bearings, each suitable for different applications and load capacities.

NATO Supply Class 3110 for Bearings, Antifriction, Unmounted plays a vital role in ensuring the availability of high-quality bearings for military and defense purposes within the NATO supply system.

If you need more specific information about a particular type of bearing or any other details related to NATO Supply Class 3110, please let me know.

NSN by Country NSN by Country

Frequently Asked Questions(FAQ) for Federal Supply Class 3110 Frequently Asked Questions(FAQ) for Federal Supply Class 3110

What is Federal Supply Class 3110?
FSC 3110 is the Federal Supply Class(formally known as NATO Supply Classification Class NSC 3110) in the USA for supply items codified in the category of Bearings, Antifriction, Unmounted.
What is NATO Supply Classification Class 3110?
NSC 3110 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 3110 in the USA) for supply items codified in the category of Bearings, Antifriction, Unmounted.
Which Federal Supply Group is FSC 3110 in?
FSC 3110 is in Federal Supply Group(FSG) 31 which contains .
Which NATO Supply Classification Group is NSC 3110 in?
NSC 3110 is in NATO Supply Classification Group(NSG) 31 which contains .

Supply Items Included in Federal Supply Class 3110 Supply Items Included in Federal Supply Class 3110

What is an Annular Ball Bearing? 48566 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? 9262 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? 2166 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? 785 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? 3024 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? 1197 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? 7161 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? 489 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? 2181 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? 1883 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? 470 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? 1552 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? 1116 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? 1001 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? 947 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? 744 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? 155 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? 1568 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? 6612 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? 2822 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? 1123 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? 2595 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? 51 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? 123 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? 469 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? 367 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? 126 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? 1121 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? 480 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? 6565 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? 149 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? 330 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? 196 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? 111 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? 992 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? 5264 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? 1750 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? 118 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? 618 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? 257 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? 37 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? 90 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? 261 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? 157 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? 116 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? 378 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.

Stock Items From Supply Class 3110 Stock Items From Supply Class 3110 Page 1of 471

3110010056623
RNCC: 6 | RNVC: 9 | DAC: 9
1 000 910 002
RNCC: 5 | RNVC: 2 | DAC: 6
0112 2281
RNCC: 5 | RNVC: 2 | DAC: 3
A-A-59583
RNCC: 4 | RNVC: 1 | DAC: E
2H2213
RNCC: 5 | RNVC: 1 | DAC: D
301S
RNCC: 5 | RNVC: 1 | DAC: X
3110010273183
RNCC: 6 | RNVC: 9 | DAC: 9
NUP210E
RNCC: 3 | RNVC: 2 | DAC: 5
4060201-1125
RNCC: 3 | RNVC: 1 | DAC: C
15101-43905-TD ITEM NO 1.9
RNCC: 5 | RNVC: 1 | DAC: 1
905 3704.1
RNCC: 5 | RNVC: 9 | DAC: 5
379146
RNCC: 5 | RNVC: 2 | DAC: 5
950490-17
RNCC: 3 | RNVC: 2 | MEDALS: Y | DAC: X
803-5348084-XXX-058D4
RNCC: 5 | RNVC: 2 | DAC: 6
416821-SKF
RNCC: C | RNVC: 1 | DAC: 3
7550479-5348084-XXX-055
RNCC: 5 | RNVC: 1 | DAC: 1
E22315A00150BCX10XPPXX30X0
RNCC: 2 | RNVC: 2 | DAC: 4
D15-661KPC124T0126-128
RNCC: 5 | RNVC: 2 | DAC: 6
189199
RNCC: 3 | RNVC: 9 | MEDALS: Y | DAC: 5
7130V1237XPC21T027-36T041
RNCC: 5 | RNVC: 2 | DAC: X
7040F1311PC18T021-35-37T043
RNCC: 5 | RNVC: 9 | DAC: X
B15030041
RNCC: 3 | RNVC: 2 | DAC: 6
7550179-264234303-018
RNCC: 5 | RNVC: 1 | DAC: 1
E32213J
RNCC: 3 | RNVC: 2 | DAC: 5
7550478-284732-0007-85
RNCC: 5 | RNVC: 1 | DAC: 1
937458 IT-7
RNCC: 5 | RNVC: 9 | DAC: 5
13241273
RNCC: 3 | RNVC: 2 | DAC: 6
10348496
RNCC: 6 | RNVC: 9 | DAC: 9
23104-4-3
RNCC: 3 | RNVC: 9 | DAC: 2
B520C005
RNCC: 5 | RNVC: 9 | MEDALS: Y | DAC: 6
K1-6700-999714PCD3T0F3
RNCC: 3 | RNVC: 2 | DAC: X
7020F1243PC11T022
RNCC: 5 | RNVC: 2 | DAC: X
2642-343-01 REF 3 ITEM NO 19
RNCC: 5 | RNVC: 1 | DAC: 1
20 245 231 3130
RNCC: 3 | RNVC: 2 | DAC: 6
32012X
RNCC: 3 | RNVC: 2 | DAC: 1
2BPM
RNCC: 3 | RNVC: 2 | DAC: 1
626QE6
RNCC: 3 | RNVC: 2 | DAC: 4
4434407
RNCC: 3 | RNVC: 2 | DAC: 5
8856971
RNCC: 5 | RNVC: 9 | DAC: 1
K19607
RNCC: 3 | RNVC: 2 | DAC: 2
7123722
RNCC: 3 | RNVC: 2 | DAC: 3
B-4416
RNCC: 5 | RNVC: 2 | DAC: 5
E22300-170RU03M
RNCC: 5 | RNVC: 2 | DAC: 4
KDF100L-4/OD/BR/ZW/F4 49
RNCC: 3 | RNVC: 2 | DAC: 3
61816-2RS-Y
RNCC: 5 | RNVC: 9 | DAC: 9
NO PRIMARY REF 99-750-5153
RNCC: 3 | RNVC: 2 | DAC: 9
SP22570
RNCC: 3 | RNVC: 2 | MEDALS: Y | DAC: 4
DF331473-0009D4
RNCC: 5 | RNVC: 2 | DAC: 6
Z9R16
RNCC: C | RNVC: 1 | DAC: 5
MS21440-161
RNCC: C | RNVC: 1 | DAC: 3
4000610
RNCC: 5 | RNVC: 2 | MEDALS: Y | DAC: 2
SE693
RNCC: 5 | RNVC: 1 | DAC: 5
SR166SSWY9K6VLF0-51B
RNCC: 3 | RNVC: 2 | DAC: 9
S418FCHHP58LY36
RNCC: 5 | RNVC: 1 | DAC: 4
K3525-K3585
RNCC: 3 | RNVC: 2 | DAC: 4
2 0044-193
RNCC: 3 | RNVC: 2 | DAC: 9
2.72-31383
RNCC: 3 | RNVC: 2 | DAC: 1
X000684
RNCC: 5 | RNVC: 2 | DAC: 3
0-956798
RNCC: 3 | RNVC: 2 | DAC: 5
0079812901
RNCC: 3 | RNVC: 2 | DAC: 6
6218NR
RNCC: 3 | RNVC: 2 | DAC: 3
PNE401004001
RNCC: 3 | RNVC: 2 | DAC: 1
G-1-L-15
RNCC: 5 | RNVC: 2 | DAC: 6