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BTW 130 CTN9/SP

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BTW 130 CTN9/SP

Double direction angular contact thrust ball bearing, super-precision, basic design
Double direction angular contact thrust ball bearings are designed to locate spindle shafts axially in both directions. These bearings are intended for mounting in combination with cylindrical roller bearings, and consist of two single row angular contact thrust ball bearings arranged back-to-back. The large number of balls enables these bearings to accommodate high axial loads in both directions and provides a high degree of system rigidity.

  • Accommodate high axial loads in both directions
  • Offer maximum load carrying capacity and maximum system rigidity
  • Available for shaft diameters from 35 to 200 mm
  • Available with either steel or ceramic balls
  • Separable

Description

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Dimensions - BTW 130 CTN9/SP

Dimensions

d

130 mm

Bore diameter
D

200 mm

Outside diameter
H

84 mm

Height
d1

170.8 mm

Shoulder diameter shaft washer (high shoulder)
2C

42 mm

Height of both housing washers
r1,2

min. 2 mm

Shaft washer chamfer radius
r3,4

min. 1 mm

Housing washer small chamfer radius

Abutment dimensions - BTW 130 CTN9/SP

Abutment dimensions

da

min. 156 mm

Abutment diameter shaft
Da

min. 187.5 mm

Abutment diameter shaft
Da

max. 190 mm

Abutment diameter housing
ra

max. 2 mm

Fillet radius
rb

max. 1 mm

Fillet radius

Calculation data

Basic dynamic load ratingC

106 kN

Basic static load ratingC0

360 kN

Fatigue load limitPu

13.2 kN

Attainable speed for grease lubrication

3 600 r/min

Attainable speed for oil-air lubrication

4 300 r/min

Contact angleα

60 °

Preload

870 N

Static axial stiffness

1 032 N/µm

Reference grease quantityGref

40.4 cm³

Mass

Mass bearing

7.6 kg

Tolerances and clearances

Bearing data

Principles of bearing selection and application

recently added Bearing

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