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81138 M

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81138 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 - 81138 M

Dimensions

d

190 mm

Bore diameter
D

240 mm

Outside diameter
H

37 mm

Height
d1

237 mm

Outside diameter shaft washer
D1

193 mm

Bore diameter housing washer
B

11 mm

Height shaft washer
r1,2

min. 1.1 mm

Chamfer dimension housing washer

Abutment dimensions - 81138 M

Abutment dimensions

da

min. 233 mm

Abutment diameter shaft
Da

max. 197 mm

Abutment diameter housing
ra

max. 1.1 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

310 kN

Basic static load ratingC0

1 460 kN

Fatigue load limitPu

125 kN

Reference speed

700 r/min

Limiting speed

1 400 r/min

Minimum axial load factorA

0.171

Mass

Mass bearing

4.74 kg

Included products

Roller and cage thrust assemblyK 81138 M
Shaft washer

WS 81138

Housing washer

GS 81138

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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