Green ball bearing

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Green ball bearing

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Green ball bearing

Green ball bearing part number system

Green ball bearing part number system

How to read GREEN ball bearing numbers:
EXAMPLE: 77038X1

77038X1 77 - 2 shields
038 - Basic bearing number
X - Standard end play or internal fit-up
1 - ABEC-1 tolerance

Part number system

Prefix Suffix Definition
. 1 ABEC-1 TOLERANCES.
. 3 ABEC-3 TOLERANCES.
. 5 ABEC-5 TOLERANCES.
. 7 ABEC-7 TOLERANCES.
. DB PAIR OF BEARINGS GROUND FOR DUPLEX MOUNTING BACK-TO-BACK.
. DF PAIR OF BEARINGS GROUND FOR DUPLEX MOUNTING FACE-TO-FACE.
. DT PAIR OF BEARINGS GROUND FOR DUPLEX MOUNTING IN TANDEM.
. L LIGHT PRELOAD, ANGULAR CONTACT TYPE BALL BEARING.
. L LOOSE END PLAY, RADIAL TYPE BALL BEARING.
. L2 EXTRA LOOSE FIT-UP, SINGLE-ROW, RADIAL.
. LI LOOSE FIT-UP, SINGLE-ROW, RADIAL.
. LR LOOSE RADIAL PLAY, ANNULAR BALL BEARING.
. MR MEDIUM RADIAL PLAY, ANNULAR BALL BEARING.
. N EXTRA LOOSE END PLAY, RADIAL TYPE ANNULAR BALL BEARING.
. R RETAINING RING FOR REAR WHEEL BEARING.
. S SPECIAL END PLAY, RADIAL TYPE ANNULAR BALL BEARING.
. T HEAVY PRELOAD, ANGULAR CONTACT TYPE ANNULAR BALL BEARING.
. T TIGHT END PLAY, RADIAL TYPE ANNULAR BALL BEARING.
. TL TIGHT FIT-UP, SINGLE-ROW, RADIAL.
. X MEDIUM PRELOAD, ANGULAR CONTACT TYPE ANNULAR BALL BEARING.
. X STANDARD END PLAY, RADIAL TYPE ANNULAR BALL BEARING.
. XR STANDARD RADIAL PLAY, ANNULAR BALL BEARING.
4 . SNAP RING.
7 . 1 SHIELD.
77 . 2 SHIELDS.
8 . ONE SEAL .
88 . TWO SEALS.
9 . ONE SYNTHETIC CONTACT SEAL .
9090 . FRONT WHEEL BEARING, COMPLETE.
9095 . INNER RING ., (CONE) ONLY, FRONT WHEEL BEARING.
9096 . OUTER RING (CUP) ONLY, FRONT WHEEL BEARING.
9097 . RETAINER AND BALL ASSEMBLY ONLY, FRONT WHEEL BEARING.
99 . TWO SYNTHETIC CONTACT SEALS.
CB . CLUTCH BEARING.
CB C CLUTCH BEARING AND CARRIER ASSEMBLY.
G . SPECIAL BEARING (E.G. G-5111) .
PB . DIRECT MOUNTED BALL BEARING PILLOW BLOCK.
RW . REAR WHEEL BEARING.
SA . SELF ALIGNING PILLOW BLOCK.
TR . PRECISION TROLLEY WHEEL (E.G. TR-7) .
WC . WIDE CUP TYPE SEALED ANNULAR BALL BEARING.


 

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