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khaled_2088
Participant

Join Date: Oct 2009
Posts: 1

Ball Bearing Number

10/26/2009 4:50 AM

how can i identify the bearing number from the following information

( ball bearing 55bc03x30x26 )
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woodygb
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Join Date: Mar 2009
Location: United Kingdom
Posts: 308
Good Answers: 28
#1

Re: ball bearing number

10/26/2009 4:57 AM

http://www.usmotors.com/products/ProFacts/1-103.htm

AFBMA Code System For Bearings

000

Bore

AAA

Type

OO
Width & O.D.

AAAA
Cage. Shields or Seals & Modifications

0
Internal Fit Up

CodeSpace No.Common SymbolsDescription
Bore1, 2, 317 or 105Inside diameter of bearing in m.m. refer to bearing catalog
Type1, 2, 3
BC
BL
BD
BF
Ball bearing, single row, radial, non-filling slot
Ball bearing, single row, radial, filling slot
Ball bearing, double row, radial, non-filling slot
Ball bearing, double row, radial, filling slot
Width & O.D.1, 2
00
02
03
04
6000 series bearing
6200 series bearing
6300 series bearing
6400 series bearing
Cage shields or seals modification
1
2, 3
X
P
S
G
Manufacturer a standard bearing cage
Metal shield permanently fastened
Contact seal permanently fastened
Snap ring groove on O.D. with snap ring
Internal Fit Up13Internal clearance greater than standard


http://www.wbparts.com/rfq/3110-00-580-1606.html


Regards Woody
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dac1267
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United States - Member - Engineering Fields - Mechanical Engineering - Hobbies - Fishing - Hobbies - Musician -

Join Date: Jun 2009
Location: California
Posts: 106
Good Answers: 19
#2

Re: Ball Bearing Number

10/26/2009 1:29 PM

http://www.bartlettbearing.com/pdf/Bearing%20Handbook%20for%20Electric%20Motors.pdf

AFBMA to SKF cross reference is at the end.
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