Main Dimensions & Performance Data

d

300 mm

D

380 mm

B

38 mm

Mounting dimensions

Di

340.8 mm Inner diameter outer ring

DM

340 mm rolling element pitch circle diameter

da

339.2 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

0.02 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

245,000 N Basic dynamic load rating, axial

C0a

990,000 N Basic static load rating, axial

Cr

174,000 N Basic dynamic load rating, radial (only for radial loads)

C 0r

485,000 N Basic static load rating, radial (only for radial loads)

NG oil

225 1/min Speed limit for preload oil lubrication

NG Grease

110 1/min Grease lubrication with preload limited speed

61860 Dimensions are the same as ISO dimension series 18