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812/670 M

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812/670 M

Single row cylindrical roller thrust bearing, single direction
Single row cylindrical roller thrust bearings are designed to accommodate heavy axial loads and peak loads in one direction, but not radial loads. They provide a high degree of stiffness and require little axial space. They are mainly used in applications where thrust ball bearings do not have sufficient load carrying capacity. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.

  • High axial load carrying capacity
  • High stiffness
  • Long service life
  • Require little axial space
  • Separable design

Description

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Dimensions - 812/670 M

Dimensions

d

670 mm

Bore diameter
D

900 mm

Outside diameter
H

180 mm

Height
d1

892 mm

Outside diameter shaft washer
D1

678 mm

Bore diameter housing washer
B

52.5 mm

Height shaft washer
r1,2

min. 6 mm

Chamfer dimension housing washer

Abutment dimensions - 812/670 M

Abutment dimensions

da

min. 860 mm

Abutment diameter shaft
Da

max. 710 mm

Abutment diameter housing
ra

max. 5 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

5 700 kN

Basic static load ratingC0

30 500 kN

Fatigue load limitPu

1 800 kN

Reference speed

140 r/min

Limiting speed

280 r/min

Minimum axial load factorA

74.42

Mass

Mass bearing

335 kg

Included products

Shaft washer

IW-812/670

Housing washer

OW-812/670

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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