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Bearing Identification AFBMA Bearing Numbers
The Anti Friction Bearing Manufacturers Association has a code system which identifies bearings by type, size and construction. Any bearing supply house or bearing manufacturer can identify their bearings from such code numbers. The following tabulation shows those codes which most commonly apply to bearings in U.S. Motors.
AFBMA Code System For Bearings
000
Bore
AAA
Type
OO
Width & O.D.
AAAA
Cage. Shields or Seals & Modifications
0
Internal Fit Up
Code
Space No.
Common Symbols
Description
Bore
1, 2, 3
17 or 105
Inside diameter of bearing in m.m. refer to bearing catalog
Type
1, 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 Up
1
3
Internal clearance greater than standard
Example:
50BC02 - Single row, radial, non-filling slot ball bearing with 50 mm bore and a 6200 series O.D. and width. The SKF number would be 6210.
75BC03XP - Single row, radial, non-filling slot ball bearing with 75 mm bore, a 6300 series O.D. and width, manufacturer's standard bearing cage and one shield. The SKF number would be 63152.
35BC02XSS3 - Single row, radial, non-filling slot ball bearing with 35 mm bore, a 6200 series O.D. and width, manufacturer's standard bearing cage, 2 seals and an internal clearance greater than standard. The SKF number would be 62072RS/C3.
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How many types of Bearings?
there are many types of bearings .... 1)ball bearing 2)roller bearing 3)ball thrust bearing 4)roller thrust bearing & 5)tapered roller thrust..
Is a roller bearing a plain or anti-friction bearing?
anti-friction bearing
What is the NAICS Code for Ball and Roller Bearing Manufacturing?
NAICS 332991 applies to Ball and Roller Bearing Manufacturing.
What type of bearing you will prefer for automobile?
roller thrust bearing
Where to find a best axial needle roller bearing manufacturer and I need to buy axial needle roller bearing?
Changzhou Zhihua Bearings Co., Ltd. is professional axial needle roller bearing manufacturer. They specialized in this field for many years. if you want to buy best axial needle roller bearing, the company will be the best choice. They will be the best axial needle roller bearing supplier!
Want to wholesale heavy duty needle roller bearing and could you suggest me a best heavy duty needle roller bearing supplier?
Changzhou Zhihua Bearings Co., Ltd. is a professional heavy duty needle roller bearing manufacturer.They are the best heavy duty needle roller bearing supplier in this field. wish this can help you!
What are two parts of a roller bearing?
1 rollers 2 bearing race
What is the type of bearing used on belt conveyors to adjust the belt tensions?
Roller bearing
What do the letters mean on a bearing number?
The numbers and letters on a bearing are usually the manufacturers part number. This allows the maker to quickly identify which particular bearing it is. A typical producer of bearing would make many different kind ans sizes and from different materials
How many ball bearings are there in the world?
AnswerYou will have to do some research. number of manufacturers and their production levels. example: Timken Bearing: produced 2.5 billion ball bearings in 1998. : Stats are their are 80%-90% still in service and those not are in junk yards.You have a lot of work ahead of you if you really need to know this answer.It depends on bearing qualities the manufacturing of bearings depends on demand. the different varieties are-Taper Roller Bearings, Deep Groove Ball Bearings, Cylindrical Roller Bearings, Spherical Roller Bearings, Spherical Thrust Bearings, Clutch Release Bearings, Needle Roller Bearing, Self Aligning Ball Bearings, Angular Contact and Double Row Bearings, King Pin Bearings, UCP Pillow Block, Water Pump Bearing, Ball Bearing Manufacturers, Metal Bearing exporters, Roller Bearing, Needle Bearings, Automotive, Roller High Precision Manufacturers, THRUST BALL BEARING, Automobile Bearing, Thrust Bearing, Roller Bearing Cylindrical Manufacturers, Needle Bearing Cages Manufacturers, Engine Bearings Manufacturers, Elevator Part Bearing Hanger ManufacturersVisit Us At http://www.arb-bearings.com
Why does front wheel bearing need pre-load?
Because in most cases they are a tapered roller bearing.
Who invented the roller ball bearing?
It is not known who specifically invented the roller ball bearing. There are examples of their use by the ancient Egyptians. However, it is thought that they may have been invented before the wheel.
