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National Stock Number:
3110-00-626-9419
Federal Supply Class:
3110
National Item Identification Number:
006269419
Description:
BEARING,BALL,STACK
Detail:
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.
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Manufacturer Information:
| 7015-8DTA100B024P18S9370T | 38443 | SKF USA INC. | | 9315W12E7268 | 21335 | TIMKEN CO | | 9315W12F7268 | 21335 | TIMKEN CO | | SB1506-2 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| BORE DIAMETER | 2.9528 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 4.1339 INCHES NOMINAL | | OVERALL WIDTH | 1.8898 INCHES NOMINAL | | MATERIAL | PLASTIC POLYAMIDE (NYLON) RETAINER | | MATERIAL | STEEL BALL | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL OUTER RING | | SPECIAL FEATURES | PART NO. AND RECORDED SERIAL NO. PERMANENTLY MARKED ON EITHER RING IN ACCORDANCE WITH SIKORSKY SPEC SFEAT1S8770. BORE AND OD TO BE COPPER PLATED 0.0001 TO 0.0003 IN. THK PER AMS 2418. INITIAL CONTACT ANGLE 45 DEG. OUTER RING CURVATURE 52 PERCENT,INNER RING CURVATURE 51 1/2 PERCENT. ALL CORNERS STONED AND POLISHED TO BLEND WITH BORE AND OD. ALL EXTERNAL CORNERS ROUNDED 0.0300 IN. MAX | | STACK ARRANGEMENT | 4 ANGULAR CONTACT BEARINGS,DUPLEX GROUND | | STYLE DESIGNATOR | STACK |
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