Main Dimensions & Performance Data

d

500 mm

D

620 mm

B

56 mm

Mounting dimensions

Di

561.2 mm Inner diameter outer ring

DM

560 mm rolling element pitch circle diameter

da

558.8 mm outer diameter inner ring

h

56 mm height of individual ring

0 Height of individual ring upper tolerance

-0.05 Height of individual ring lower tolerance

r min

3 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

0.04 mm Running Accuracy, Radial

0.01 mm Running accuracy, axial

RLO max

0.006 mm Low clearance: Radial clearance

RLO max

0.012 mm Low clearance: Preload

Ca

550,000 N Basic dynamic load rating, axial

C0a

2,470,000 N Basic static load rating, axial

Cr

390,000 N Basic dynamic load rating, radial (only for radial loads)

C 0r

1,210,000 N Basic static load rating, radial (only for radial loads)

NG oil

275 1/min Limit speed for normal clearance oil lubrication

NG Grease

135 1/min Limit speed for grease lubrication with normal clearance

NG oil

135 1/min Speed limit for preload oil lubrication

NG Grease

65 1/min Grease lubrication with preload limited speed

618/500 Dimensions are the same as ISO dimension series 18