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81280 M

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81280 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 - 81280 M

Dimensions

d

400 mm

Bore diameter
D

540 mm

Outside diameter
H

112 mm

Height
d1

535 mm

Outside diameter shaft washer
D1

405 mm

Bore diameter housing washer
B

33.5 mm

Height shaft washer
r1,2

min. 4 mm

Chamfer dimension housing washer

Abutment dimensions - 81280 M

Abutment dimensions

da

min. 531 mm

Abutment diameter shaft
Da

max. 433 mm

Abutment diameter housing
ra

max. 3 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

2 120 kN

Basic static load ratingC0

10 400 kN

Fatigue load limitPu

735 kN

Reference speed

240 r/min

Limiting speed

500 r/min

Minimum axial load factorA

8.653

Mass

Mass bearing

73 kg

Included products

Shaft washer

IW-81280

Housing washer

OW-81280

Tolerances and clearances

Bearing data, Design considerations

recently added Bearing

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