Bearings Manufacturer - HYP Bearing!

CHENGDU HANYUE INDUSTRIAL CO.,LTD-Si CHUAN ARTS AND CRAFTS IMP AND EXP CORP

MPB bearing part

MPB bearing part number system How to read miniature bearing numbers: Example: S518MBH-5 DB2 P58 ZDM Q18 LOV2 S - Material stainless steel 518 - Bearing size (5/16 O.D. x 1/8 I.D.) The first digit is the O.D. size in sixteenths of an inch,

MPB bearing part number system

How to read miniature bearing numbers:

Example: S518MBH-5 DB2 P58 ZDM Q18 LOV2

S - Material stainless steel
518 - Bearing size (5/16 O.D. x 1/8 I.D.) The first digit is the O.D. size in sixteenths of an inch, the remaining digits give the bore size.
MB - Inner ring separable
H - Single shield
-5 - Bearing to meet ABEC-5P tolerances
DB2 - Duplexed back to back mounting under a 2 pound preload
P58 - Radial play of each bearing, before preloading of 0.0005 to 0.0008
ZDM - Grading of pairs having matched O.D. and bores
Q18 - Starting torque - 1800 rag-nun
LOV2 - Vacuum impregnate retainer with LO-2 lubrication

Special bearing configurations are indicated by an A, B, D, E as the case would be with a sequence number following. Numbers run from 1 to 999 then shift/to next letter in the alphabet.



Part number system

Prefix Suffix Definition
. . INCH, I.E: P35 DESIGNATES RADIAL PLAY OF -0.0003 TO 0.0005 INCHES
. 0 SHIELD OR SEAL ONV SIDE OPPOSITE FLANGE
. 1 ANTI-FRICTION BEARING MFG. ASSOCIATION CLASS 1
. 3 ANTI-FRICTION BEARING MFG. ASSOCIATION CLASS 3
. 5 ANTI-FRICTION BEARING MFG. ASSOCIATION CLASS 5P
. 7 ANTI-FRICTION BEARING MFG. ASSOCIATION CLASS 7P
. 9 ANTI-FRICTION BEARING MFG. ASSOCIATION CLASS 9P
. A PIVOT BEARING, THROUGH SHAFT
. C RADIAL, L-TYPE RETAINER.
. DB BACK-TO-BACK MOUNTING
. (Editor:admin)
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