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KOYO BH1812 needle roller bearings - Industrial Bearing

  KOYO BH1812 needle roller bearings

KOYO BH1812 needle roller bearings pdf

Our M252300 Series highly-skilled M252330 Cone Part Number and factory-trained service experts have the resources to help you with all your KOYO BH1812 needle roller bearings needs – including routine maintenance, major repairs, warranty service, and equipment inspections.

Series M252300
Cone Part Number M252330
Cup Part Number M252310X
Design Units Imperial
Bearing Weight 33.5 Kg
Cage Type Stamped Steel
d 234.95 mm
D 381.000 mm
B – Cone Width 74.613 mm
C – Cup Width 57.150 mm
B 74.610 mm
R – Cone Backface To Clear Radius1 6.35 mm
r – Cup Backface To Clear Radius2 3.30 mm
da – Cone Frontface Backing Diameter 261.11 mm
db – Cone Backface Backing Diameter 271.02 mm
Da – Cup Frontface Backing Diameter 364.00 mm
Db – Cup Backface Backing Diameter 356.11 mm
Ab – Cage-Cone Frontface Clearance 4.8 mm
Aa – Cage-Cone Backface Clearance 7.6 mm
a – Effective Center Location3 -6.6 mm
C90 – Dynamic Radial Rating (90 million revolutions)4 73200 lbf
C1 – Dynamic Radial Rating (1 million revolutions)5 283000 lbf
C0 – Static Radial Rating 455000 lbf
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 41700 lbf
K – Factor7 1.76
e – ISO Factor8 0.33
Y – ISO Factor9 1.8
G1 – Heat Generation Factor (Roller-Raceway) 1839.2
G2 – Heat Generation Factor (Rib-Roller End) 226.1
Cg – Geometry Factor 0.159

      Detailed Parameters

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