Main Dimensions & Performance Data

d

70 mm

D

90 mm

B

10 mm

Mounting dimensions

Di

80.5 mm Inner diameter outer ring

DM

80 mm rolling element pitch circle diameter

da

79.5 mm outer diameter inner ring

h

10 mm height of individual ring

0 Height of individual ring upper tolerance

-0.01 Height of individual ring lower tolerance

r min

0.6 mm chamfer dimension

S

1.2 mm diameter of lubrication hole

Temperature range

T min

-30 °C Minimum operating temperature

T max

80 °C Maximum operating temperature

Calculation coefficient

0.01 mm Running Accuracy, Radial

0.01 mm Running accuracy, axial

RLO max

0.003 mm Low clearance: Radial clearance

RLO max

0.006 mm Low clearance: Preload

Ca

16,600 N Basic dynamic load rating, axial

C0a

52,000 N Basic static load rating, axial

Cr

11,800 N Basic dynamic load rating, radial (only for radial loads)

C 0r

25,500 N Basic static load rating, radial (only for radial loads)

NG oil

0 1/min Limit speed for normal clearance oil lubrication

NG Grease

0 1/min Limit speed for grease lubrication with normal clearance

NG oil

955 1/min Speed limit for preload oil lubrication

NG Grease

475 1/min Grease lubrication with preload limited speed,

61814 Dimensions are the same as ISO dimension series 18