Main Dimensions & Performance Data

d

140 mm

D

175 mm

B

18 mm

Mounting dimensions

Di

157.7 mm Inner diameter outer ring

DM

157 mm rolling element pitch circle diameter

da

156.3 mm outer diameter inner ring

h

18 mm height of individual ring

0 Height of individual ring upper tolerance

-0.01 Height of individual ring lower tolerance

r min

1.1 mm chamfer dimension

S

1.5 mm diameter of lubrication hole

Temperature range

T min

-30 °C Minimum operating temperature

T max

80 °C Maximum operating temperature

Calculation coefficient

0.015 mm Running Accuracy, Radial

0.01 mm Running accuracy, axial

RLO max

0.004 mm Low clearance: Radial clearance

RLO max

0.008 mm Low clearance: Preload

Ca

64,000 N Basic dynamic load rating, axial

C0a

223,000 N Basic static load rating, axial

Cr

45,500 N Basic dynamic load rating, radial (only for radial loads)

C 0r

109,000 N Basic static load rating, radial (only for radial loads)

NG oil

975 1/min Limit speed for normal clearance oil lubrication

NG Grease

485 1/min Limit speed for grease lubrication with normal clearance

NG oil

485 1/min Speed limit for preload oil lubrication

NG Grease

240 1/min Grease lubrication with preload limited speed

61828 Dimensions are the same as ISO dimension series 18