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KOYO 57072JRHR4 tapered roller bearings - Industrial Bearing

  KOYO 57072JRHR4 tapered roller bearings

KOYO 57072JRHR4 tapered roller bearings pdf

We work 93000 Series closely with our 93750 Cone Part Number KOYO 57072JRHR4 tapered roller bearings manufacturing partners to bring the best value to customers.

Series 93000
Cone Part Number 93750
Cup Part Number 93126
Design Units Imperial
Bearing Weight 20.60 Kg
Cage Type Stamped Steel
d 190.5 mm
D 317.500 mm
B – Cone Width 63.5 mm
C – Cup Width 50.800 mm
B 68.263 mm
R – Cone Backface To Clear Radius1 4.320 mm
r – Cup Backface To Clear Radius2 3.30 mm
da – Cone Frontface Backing Diameter 212.09 mm
db – Cone Backface Backing Diameter 217.93 mm
Da – Cup Frontface Backing Diameter 300.00 mm
Db – Cup Backface Backing Diameter 284.99 mm
Ab – Cage-Cone Frontface Clearance 5.3 mm
Aa – Cage-Cone Backface Clearance 8.1 mm
a – Effective Center Location3 7.9 mm
C90 – Dynamic Radial Rating (90 million revolutions)4 42600 lbf
C1 – Dynamic Radial Rating (1 million revolutions)5 164000 lbf
C0 – Static Radial Rating 290000 lbf
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 38200 lbf
K – Factor7 1.12
e – ISO Factor8 0.52
Y – ISO Factor9 1.15
G1 – Heat Generation Factor (Roller-Raceway) 912.5
G2 – Heat Generation Factor (Rib-Roller End) 126.1
Cg – Geometry Factor 0.146

      Detailed Parameters

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