KOYO UCF207-21E bearing units

KOYO UCF207-21E bearing units Industries and Applications ? We sell discount 1900 Series online as well as cheap machinery parts.
Series | 1900 |
Cone Part Number | 1994X |
Cup Part Number | 1931 |
Design Units | Imperial |
Bearing Weight | 0.30 Kg |
Cage Type | Stamped Steel |
d | 25.400 mm |
D | 60.325 mm |
B – Cone Width | 19.355 mm |
C – Cup Width | 15.875 mm |
B | 19.845 mm |
R – Cone Backface To Clear Radius1 | 3.560 mm |
r – Cup Backface To Clear Radius2 | 1.27 mm |
da – Cone Frontface Backing Diameter | 30.48 mm |
db – Cone Backface Backing Diameter | 37.08 mm |
Da – Cup Frontface Backing Diameter | 55.88 mm |
Db – Cup Backface Backing Diameter | 52.07 mm |
Ab – Cage-Cone Frontface Clearance | 2 mm |
Aa – Cage-Cone Backface Clearance | 0 mm |
a – Effective Center Location3 | -5.8 mm |
C90 – Dynamic Radial Rating (90 million revolutions)4 | 2820 lbf |
C1 – Dynamic Radial Rating (1 million revolutions)5 | 10900 lbf |
C0 – Static Radial Rating | 11300 lbf |
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 1590 lbf |
K – Factor7 | 1.77 |
e – ISO Factor8 | 0.33 |
Y – ISO Factor9 | 1.82 |
G1 – Heat Generation Factor (Roller-Raceway) | 12.5 |
G2 – Heat Generation Factor (Rib-Roller End) | 6.33 |
Cg – Geometry Factor | 0.0565 |
Detailed Parameters
parameter:
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