KOYO RS424725 needle roller bearings
Offer Imperial Design Units High 861 Cone Part Number Quality Brand KOYO RS424725 needle roller bearings .Contact Us 855 Series Online to Get Best Quote.
Series | 855 |
Cone Part Number | 861 |
Design Units | Imperial |
Cage Type | Stamped Steel |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 179000 lbf |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 46400 lbf |
d | 4.0000 in |
B – Cone Width | 2.2650 in |
R – Cone Backface To Clear Radius3 | 0.310 in |
da – Cone Frontface Backing Diameter | 4.65 in |
db – Cone Backface Backing Diameter | 5.2 in |
Ab – Cage-Cone Frontface Clearance | 0.06 in |
Aa – Cage-Cone Backface Clearance | 0.15 in |
a – Effective Center Location4 | -0.6 in |
C90 – Dynamic Radial Rating (90 million revolutions)5 | 26700 lbf |
C1 – Dynamic Radial Rating (1 million revolutions)6 | 103000 lbf |
C0 – Static Radial Rating | 142000 lbf |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 15300 lbf |
K – Factor8 | 1.74 |
G1 – Heat Generation Factor (Roller-Raceway) | 264.1 |
G2 – Heat Generation Factor (Rib-Roller End) | 44.9 |
Cg – Geometry Factor | 0.107 |
Detailed Parameters
parameter:
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