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81272 M

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81272 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 - 81272 M

Dimensions

d

360 mm

Bore diameter
D

500 mm

Outside diameter
H

110 mm

Height
d1

495 mm

Outside diameter shaft washer
D1

365 mm

Bore diameter housing washer
B

32.5 mm

Height shaft washer
r1,2

min. 4 mm

Chamfer dimension housing washer

Abutment dimensions - 81272 M

Abutment dimensions

da

min. 492 mm

Abutment diameter shaft
Da

max. 393 mm

Abutment diameter housing
ra

max. 3 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

2 040 kN

Basic static load ratingC0

9 650 kN

Fatigue load limitPu

695 kN

Reference speed

260 r/min

Limiting speed

530 r/min

Minimum axial load factorA

7.45

Mass

Mass bearing

65.5 kg

Included products

Shaft washer

IW-81272

Housing washer

OW-81272

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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