Main Dimensions & Performance Data

d

340 mm

D

420 mm

B

38 mm

Mounting dimensions

Di

380.8 mm Inner diameter outer ring

DM

380 mm rolling element pitch circle diameter

da

379.2 mm outer diameter inner ring

h

38 mm height of individual ring

0 Height of individual ring upper tolerance

-0.05 Height of individual ring lower tolerance

r min

2.1 mm chamfer dimension

S

2.5 mm diameter of lubrication hole

Temperature range

T min

-30 °C Minimum operating temperature

T max

80 °C Maximum operating temperature

Calculation coefficient

0.025 mm Running accuracy, radial

0.01 mm Running accuracy, axial

VSP min

0.005 mm Minimum bearing preload

VSP max

0.025 mm Maximum bearing preload

Ca

265,000 N Basic dynamic load rating, axial

C0a

1,130,000 N Basic static load rating, axial

Cr

187,000 N Basic dynamic load rating, radial (only for radial loads)

C 0r

550,000 N Basic static load rating, radial (only for radial loads)

NG oil

200 1/min Speed limit for preload oil lubrication

NG Grease

100 1/min Grease lubrication with preload limited speed

61868 Dimensions are the same as ISO dimension series 18