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		                        | National Stock Number:
 3110-01-440-3990
 
 Federal Supply Class:
 3110
 
 National Item Identification Number:
 014403990
 
 Description:
 BEARING,BALL,ANNULAR
 
 Detail:
 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.
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 Manufacturer Information:
 
 | 5310 A-2RS1 (UE12) | 52676 | SKF USA INC. |  | 5310 E-2RS | 52676 | SKF USA INC. |  | 7080-1 | 00624 | EATON AEROQUIP LLC |  | 7080-1 | 08118 | EATON AVIATION CORPORATION |  | 5310WPP | 21335 | TIMKEN CO |  | 5310-2RS1 | 52676 | SKF USA INC. |  | J5310WPP2 | 21335 | TIMKEN CO | 
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 Techincal Specification:
 
 | BEARING SEAL TYPE | CONTACT |  | BORE DIAMETER | 50.0 MILLIMETERS NOMINAL |  | BORE SHAPE | STRAIGHT |  | CONTACT ANGLE | 40.0 DEGREES NOMINAL |  | INTERNAL FIT-UP DESIGNATION | STANDARD |  | INTERNAL FIT-UP CONTACT ANGULAR DIRECTION | OUTWARD CONVERGENT |  | LOAD DIRECTION | RADIAL |  | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |  | LUBRICATION MATERIAL | GREASE |  | MATERIAL | RUBBER SYNTHETIC SEAL |  | MATERIAL | STEEL BALL |  | MATERIAL | STEEL INNER RING |  | MATERIAL | STEEL OUTER RING |  | MATERIAL | STEEL RETAINER |  | OVERALL OUTSIDE DIAMETER | 110.0 MILLIMETERS NOMINAL |  | OVERALL WIDTH | 1.7500 INCHES NOMINAL |  | RETAINER FABRICATION METHOD | PRESSED |  | SEAL QUANTITY | 2 |  | SPECIAL FEATURES | REINFORCED BALL AND CAGE ASSY |  | STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |  | STYLE DESIGNATOR | NON-LOADING GROOVE, NON-SEPARABLE |  | SURFACE FINISH | GROUND | 
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