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891/630 M

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891/630 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 - 891/630 M

Dimensions

d

630 mm

Bore diameter
D

750 mm

Outside diameter
H

73 mm

Height
d1

746 mm

Outside diameter shaft washer
D1

634 mm

Bore diameter housing washer
B

21.5 mm

Height shaft washer
r1,2

min. 3 mm

Chamfer dimension housing washer

Abutment dimensions - 891/630 M

Abutment dimensions

da

min. 720 mm

Abutment diameter shaft
Da

max. 660 mm

Abutment diameter housing
ra

max. 2.5 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

1 630 kN

Basic static load ratingC0

11 200 kN

Fatigue load limitPu

695 kN

Reference speed

240 r/min

Limiting speed

480 r/min

Minimum axial load factorA

10

Mass

Mass bearing

62 kg

Included products

Shaft washer

IW-891/630

Housing washer

OW-891/630

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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