INA RNA4918 needle roller bearings
Brand Name: | INA |
Model Number: | RNA4918 |
Series: | L68100 |
Cone Part Number: | L68149 |
Cup Part Number: | L68110 |
Design Units: | Imperial |
Bearing Weight: | 0.20 Kg |
Cage Type: | Stamped Steel |
d: | 34.989 mm |
D: | 59.131 mm |
PDF |
RNA4918 |
Product Details
Series | L68100 |
Cone Part Number | L68149 |
Cup Part Number | L68110 |
Design Units | Imperial |
Bearing Weight | 0.20 Kg |
Cage Type | Stamped Steel |
d | 34.989 mm |
D | 59.131 mm |
B - Cone Width | 16.764 mm |
C - Cup Width | 11.938 mm |
B | 15.875 mm |
R - Cone Backface To Clear Radius1 | 3.560 mm |
r - Cup Backface To Clear Radius2 | 1.27 mm |
da - Cone Frontface Backing Diameter | 39.12 mm |
db - Cone Backface Backing Diameter | 45.47 mm |
Da - Cup Frontface Backing Diameter | 55.90 mm |
Db - Cup Backface Backing Diameter | 53.09 mm |
Ab - Cage-Cone Frontface Clearance | 1.5 mm |
Aa - Cage-Cone Backface Clearance | 0.3 mm |
a - Effective Center Location3 | -2.5 mm |
C90 - Dynamic Radial Rating (90 million revolutions)4 | 2650 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)5 | 10200 lbf |
C0 - Static Radial Rating | 11000 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 1890 lbf |
K - Factor7 | 1.4 |
e - ISO Factor8 | 0.42 |
Y - ISO Factor9 | 1.44 |
G1 - Heat Generation Factor (Roller-Raceway) | 15.7 |
G2 - Heat Generation Factor (Rib-Roller End) | 13.9 |
Cg - Geometry Factor | 0.0657 |
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Phone |
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