Bearing Identification
What do bearing numbers indicate?
A bearing number is composed of a basic number and a supplementary code, denoting bearing specifications including bearing type, boundary dimensions, running accuracy, and internal clearance.
What does ZZ mean on a bearing?
2 Z / ZZ - Bearing with a metal seal on both sides. Z - Bearing with a metal seal on one side, one side open. E - Reinforced Design.
How do I find the ball bearing number?
Bearings are measured by their inner diameter, outer diameter, and width; the size of a bearing is normally listed as such: ID x OD x W. These measurements are normally taken in millimeters, but can be converted to inches.
What size is a 6200 bearing?
| Bore diameter | 10 mm |
|---|---|
| Outside diameter | 30 mm |
| Width | 9 mm |
What size is a 6205 bearing?
| Bore diameter | 25 mm |
|---|---|
| Outside diameter | 52 mm |
| Width | 15 mm |
What are the 3 rules of bearings?
There are 3 rules to follow when measuring a bearing: Always measure the angle in a clockwise direction. Always measure the angle from north. Always give a 3-figure bearing (E.g. 030° instead of 30°)
What is C3 and C4 in bearing?
C3 - Clearance greater than C0. C4 - Clearance greater than C2.
Why do we use 3 digits for bearings?
known point. A bearing is a direction, expressed as a three-figure number. Bearings are measured clockwise from north. Bearings are always given as three figures because if you only wrote down 35°, it could easily be mistaken for 350°.
What does DD mean on bearing?
| Meaning | SKF | NSK |
|---|---|---|
| Deep groove ball bearing with d <10mm and contact seal on one side | RS1 | D |
| Deep groove ball bearing with d <10mm and contact seal on both sides | 2RS1 | DD |
| Deep groove ball bearing with contact seal on one side | RS1 | DU |
| Extra capacity design | E | E |
What does V mean on a bearing?
"V-shaped" marking A “V-shaped” marking on the outside surface of the outer rings of universally matchable single direction bearings indicates how the bearing set should be mounted in relation to the axial load. The “V-shaped” marking points toward the side face of the inner ring that can support axial load.
What does J stand for on a bearing?
“J” Type: Two piece ribbon consisting of two halves that are assembled one half from one side, and the other half from the opposite side. Fold down tabs secure the two halves.
What size is a 6305 bearing?
| Bore diameter | 25 mm |
|---|---|
| Outside diameter | 62 mm |
| Width | 17 mm |
What does E mean in SKF bearing?
SKF self-aligning ball bearings. Suffixes - Internal design. E. Optimized internal design for increased load carrying capacity.
What size is a 6306 bearing?
| Bore diameter | 30 mm |
|---|---|
| Outside diameter | 72 mm |
| Width | 19 mm |
What size is a 6201 bearing?
| Bore diameter | 12 mm |
|---|---|
| Outside diameter | 32 mm |
| Width | 10 mm |
What size is a 610 bearing?
| Bore diameter | 21.43 mm |
|---|---|
| Outside diameter | 50.005 mm |
| Width, inner ring | 18.288 mm |
| Width, outer ring | 13.97 mm |
| Width, total | 17.526 mm |
What size is a 6303 bearing?
| Bore diameter | 17 mm |
|---|---|
| Outside diameter | 47 mm |
| Width | 14 mm |
What is a 6203 bearing?
The 6203 is a 17 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6203 Deep Groove Ball Bearings is an open style bearing. The 6203Z ball bearing is a single row raceway and single shielded. The 6203ZZ ball bearing has a single row raceway and it is shielded on each side.
What size is a 6309 bearing?
| Bore diameter | 45 mm |
|---|---|
| Outside diameter | 100 mm |
| Width | 25 mm |
Post a Comment for "Bearing Identification"