NTN 4T-NA56425SW/56650D tapered roller bearings

High Quality NTN 4T-NA56425SW/56650D tapered roller bearings. Competitive Pricing. Accept Small EE640191 Cone Part Number Order. Easy 640000 Series and Fast Shipping.
Series | 640000 |
Cone Part Number | EE640191 |
Cup Part Number | 640260 |
Design Units | Imperial |
Bearing Weight | 88.200 Kg |
Cage Type | Pin-Type |
d | 488.671 mm |
D | 660.400 mm |
B – Cone Width | 94.458 mm |
C – Cup Width | 69.850 mm |
B | 93.663 mm |
R – Cone Backface To Clear Radius1 | 6.35 mm |
r – Cup Backface To Clear Radius2 | 6.35 mm |
da – Cone Frontface Backing Diameter | 513.08 mm |
db – Cone Backface Backing Diameter | 521.97 mm |
Da – Cup Frontface Backing Diameter | 632.71 mm |
Db – Cup Backface Backing Diameter | 624.08 mm |
Ab – Cage-Cone Frontface Clearance | 6.6 mm |
Aa – Cage-Cone Backface Clearance | 8.1 mm |
a – Effective Center Location3 | 4.8 mm |
C90 – Dynamic Radial Rating (90 million revolutions)4 | 138000 lbf |
C1 – Dynamic Radial Rating (1 million revolutions)5 | 533000 lbf |
C0 – Static Radial Rating | 1030000 lbf |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 72600 lbf |
K – Factor7 | 1.9 |
e – ISO Factor8 | 0.31 |
Y – ISO Factor9 | 1.95 |
G1 – Heat Generation Factor (Roller-Raceway) | 6322.4 |
G2 – Heat Generation Factor (Rib-Roller End) | 601.7 |
Cg – Geometry Factor | 0.231 |
Detailed Parameters
parameter:
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