621 - 612 bearinginquiry
| Bearing Weight | 4.8000 lb
2.2000 Kg
|
| D - Cup Outer Diameter | 4.7500 in
120.650 mm
|
| d - Cone Bore | 2.1250 in
53.975 mm
|
| B - Cone Width | 1.6250 in
41.275 mm
|
| C - Cup Width | 1.2500 in
31.750 mm
|
| T - Bearing Width | 1.6250 in
41.275 mm
|
| Z - Number of Rollers Per Row | 15
|
| R - Cone Backface "To Clear" Radius1 | 0.140 in
3.560 mm
|
| r - Cup Backface "To Clear" Radius2 | 0.130 in
3.30 mm
|
| da - Cone Frontface Backing Diameter | 2.48 in
62.99 mm
|
| db - Cone Backface Backing Diameter | 2.76 in
70.10 mm
|
| Da - Cup Frontface Backing Diameter | 4.35 in
110.00 mm
|
| Db - Cup Backface Backing Diameter | 4.13 in
104.90 mm
|
| Ab - Cage-Cone Frontface Clearance | 0.07 in
1.78 mm
|
| Aa - Cage-Cone Backface Clearance | 0.15 in
3.81 mm
|
| a - Effective Center Location3 | -0.55 in
-14.00 mm
|
| C90 - Dynamic Radial Rating (90 million revolutions)1 | 12100 lbf
53800 N
|
| C1 - Dynamic Radial Rating (1 million revolutions)2 | 46600 lbf
207000 N
|
| C0 - Static Radial Rating | 54800 lbf
244000 N
|
| Ca90 - Dynamic Thrust Rating (90 million revolutions)3 | 6510 lbf
28900 N
|
| G1 - Heat Generation Factor (Roller-Raceway) | 75.9
|
| G2 - Heat Generation Factor (Rib-Roller End) | 16.2
|
| Cg - Geometry Factor | 0.0694
|
|
 |
Sales the 621 - 612 bearings, condition monitoring and technical supports. we can
assure the quality of the Timken 621 - 612 bearings we provide, at the same time guarantee
the price is always competitive. As our valued customers, you always have a
peace in mind when using 621 - 612 bearings..
