INA BCH912 needle roller bearings

INA BCH912 needle roller bearings Manufacturers LM742700 Series Imperial Design Units , Online Wholesale Suppliers ! LM742749 Cone Part Number
Series | LM742700 |
Cone Part Number | LM742749 |
Design Units | Imperial |
Cage Type | Stamped Steel |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 168000 lbf |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 43600 lbf |
d | 8.5000 in |
B – Cone Width | 1.8125 in |
R – Cone Backface To Clear Radius3 | 0.14 in |
da – Cone Frontface Backing Diameter | 8.94 in |
db – Cone Backface Backing Diameter | 9.17 in |
Ab – Cage-Cone Frontface Clearance | 0.12 in |
Aa – Cage-Cone Backface Clearance | 0.18 in |
a – Effective Center Location4 | 0.56 in |
C90 – Dynamic Radial Rating (90 million revolutions)5 | 25000 lbf |
C1 – Dynamic Radial Rating (1 million revolutions)6 | 96600 lbf |
C0 – Static Radial Rating | 200000 lbf |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 20600 lbf |
K – Factor8 | 1.21 |
G1 – Heat Generation Factor (Roller-Raceway) | 867 |
G2 – Heat Generation Factor (Rib-Roller End) | 225 |
Cg – Geometry Factor | 0.139 |
Detailed Parameters
parameter:
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