4CR3 KOYO ROLL NECK BEARINGS for ROLLING MILL
Brand Name: | KOYO |
Model Number: | 4CR3 |
Series: | 43000 |
Cone Part Number: | 43125 |
Cup Part Number: | 43300 |
Design Units: | Imperial |
Bearing Weight: | 0.5 Kg |
Cage Type: | Stamped Steel |
d: | 31.750 mm |
D: | 76.2 mm |
Product Details
Series | 43000 |
Cone Part Number | 43125 |
Cup Part Number | 43300 |
Design Units | Imperial |
Bearing Weight | 0.5 Kg |
Cage Type | Stamped Steel |
d | 31.750 mm |
D | 76.2 mm |
B - Cone Width | 24.074 mm |
C - Cup Width | 16.670 mm |
B | 24.608 mm |
R - Cone Backface To Clear Radius1 | 1.520 mm |
r - Cup Backface To Clear Radius2 | 3.30 mm |
da - Cone Frontface Backing Diameter | 41.40 mm |
db - Cone Backface Backing Diameter | 43.94 mm |
Da - Cup Frontface Backing Diameter | 73.90 mm |
Db - Cup Backface Backing Diameter | 64.01 mm |
Ab - Cage-Cone Frontface Clearance | 3.3 mm |
Aa - Cage-Cone Backface Clearance | 2.5 mm |
a - Effective Center Location3 | -2 mm |
C90 - Dynamic Radial Rating (90 million revolutions)4 | 5360 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)5 | 20700 lbf |
C0 - Static Radial Rating | 17100 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 6130 lbf |
K - Factor7 | 0.87 |
e - ISO Factor8 | 0.67 |
Y - ISO Factor9 | 0.9 |
G1 - Heat Generation Factor (Roller-Raceway) | 16.8 |
G2 - Heat Generation Factor (Rib-Roller End) | 7.57 |
Cg - Geometry Factor | 0.0774 |