3978 - 3920 bearinginquiry
| Bearing Weight | 2.9000 lb
1.3000 Kg
|
| D - Cup Outer Diameter | 4.4375 in
112.713 mm
|
| d - Cone Bore | 2.3437 in
59.530 mm
|
| B - Cone Width | 1.1830 in
30.048 mm
|
| C - Cup Width | 0.9375 in
23.813 mm
|
| T - Bearing Width | 1.1875 in
30.163 mm
|
| Z - Number of Rollers Per Row | 22
|
| R - Cone Backface "To Clear" Radius1 | 0.060 in
1.520 mm
|
| r - Cup Backface "To Clear" Radius2 | 0.130 in
3.30 mm
|
| da - Cone Frontface Backing Diameter | 2.68 in
68.07 mm
|
| db - Cone Backface Backing Diameter | 2.76 in
70.10 mm
|
| Da - Cup Frontface Backing Diameter | 4.18 in
106.17 mm
|
| Db - Cup Backface Backing Diameter | 3.90 in
99.06 mm
|
| Ab - Cage-Cone Frontface Clearance | 0.04 in
1.02 mm
|
| Aa - Cage-Cone Backface Clearance | 0.09 in
2.29 mm
|
| a - Effective Center Location3 | -0.18 in
-4.60 mm
|
| C90 - Dynamic Radial Rating (90 million revolutions)1 | 8090 lbf
36000 N
|
| C1 - Dynamic Radial Rating (1 million revolutions)2 | 31200 lbf
139000 N
|
| C0 - Static Radial Rating | 43000 lbf
191000 N
|
| Ca90 - Dynamic Thrust Rating (90 million revolutions)3 | 5570 lbf
24800 N
|
| G1 - Heat Generation Factor (Roller-Raceway) | 75.2
|
| G2 - Heat Generation Factor (Rib-Roller End) | 21.3
|
| Cg - Geometry Factor | 0.109
|
|
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Sales the 3978 - 3920 bearings, condition monitoring and technical supports. we can
assure the quality of the Timken 3978 - 3920 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 3978 - 3920 bearings..
