3110-01-213-0979, BEARING,BALL,DUPLEX

3110-01-213-0978 CAM FOLLOWER,NEEDLE BEARING

National Stock Number:
3110-01-213-0979

Federal Supply Class:
3110

National Item Identification Number:
012130979

Description:
BEARING,BALL,DUPLEX

Detail:
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.

Manufacturer Information:

639AS65111	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS6522-1 A-A	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS6561-1 A-A	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS656110	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS656112	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS656113	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS656114	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS656115	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS656116	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65612	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65613	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65614	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65615	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65616	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65617	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65618	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
639AS65619	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
E998-804-1 A-A	40920	MPB CORP
E998-808-1 A-A	40920	MPB CORP
SR40405B311A-1 A-A	83086	NEW HAMPSHIRE BALL BEARINGS INC
SR40415B30A-1-A-A	83086	NEW HAMPSHIRE BALL BEARINGS INC

Techincal Specification:

MATERIAL	STEEL COMP 440C BALL
	STEEL COMP 440C INNER RING
	STEEL COMP 440C OUTER RING
	PLASTIC PHENOLIC RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE BALL
	QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE INNER RING
	QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
SURFACE TREATMENT	PASSIVATE BALL
	PASSIVATE INNER RING
	PASSIVATE OUTER RING
OVERALL WIDTH	0.2030 INCHES MINIMUM AND
	0.2350 INCHES MAXIMUM
BORE DIAMETER	0.234351 INCHES MINIMUM AND
	0.234400 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	0.406151 INCHES MINIMUM AND
	0.406200 INCHES MAXIMUM
LUBRICATION MATERIAL	GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	639AS3195 MFR REF SINGLE MATERIAL RESPONSE
SURFACE FINISH	GROUND
RETAINER FABRICATION METHOD	MACHINED
LOAD DIRECTION	ANGULAR
INTERNAL CLEARANCE	0.0006 INCHES MINIMUM RADIAL AND
	0.0008 INCHES MAXIMUM RADIAL
BEARING PRELOAD RATING	1.75 POUNDS MINIMUM AND
	2.25 POUNDS MAXIMUM
CONTACT ANGLE	5.0 DEGREES MINIMUM AND
	25.0 DEGREES MAXIMUM
SPECIAL FEATURES	CONSISTS OF ONE BEARING WITHOUT A FLANGE AND ONE BEARING WITH A FLANGE,FLANGE 0.4360 IN. MIN AND 0.4370 IN. MAX DIA,0.0220 IN. MIN AND 0.0230 IN. MAX W
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	30003
MFR SOURCE CONTROLLING REFERENCE	639AS6561-1 A-A

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