Main Dimensions & Performance Data

d

400 mm

D

500 mm

B

46 mm

Mounting dimensions

Di

451 mm Inner diameter outer ring

DM

450 mm rolling element pitch circle diameter

da

449 mm outer diameter inner ring

h

46 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

0.03 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

385,000 N Basic dynamic load rating, axial

C0a

1,660,000 N Basic static load rating, axial

Cr

275,000 N Basic dynamic load rating, radial (only for radial loads)

C 0r

810,000 N Basic static load rating, radial (only for radial loads)

NG oil

170 1/min Speed limit for preload oil lubrication

NG Grease

85 1/min Grease lubrication with preload limited speed

61880 Dimensions are the same as ISO dimension series 18