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BTM 100 BTN9/P4CDB

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BTM 100 BTN9/P4CDB

Super-precision double direction angular contact thrust ball bearing
Super precision double direction angular contact ball bearings are designed to locate spindle shafts axially in both directions. They can accommodate axial forces in both directions and are available in two main designs: BTW (the basic series bearings, which accommodate greater axial loads) and BTM (the high-speed series bearings, which accommodate higher speeds).

  • Very high running accuracy
  • High axial load carrying capacity in both directions
  • High axial rigidity
  • Two main designs to accommodate greater load carrying capacity or rigidity and speed

Description

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Dimensions - BTM 100 BTN9/P4CDB

Dimensions

d

100 mm

Bore diameter
D

150 mm

Outside diameter
H

45 mm

Height
d1

123 mm

Shoulder diameter shaft washer (high shoulder)
D1

137.1 mm

Shoulder diameter housing washer (low shoulder)
r1,2

min. 1.5 mm

Shaft washer chamfer radius
r3,4

min. 1 mm

Housing washer small chamfer radius

Abutment dimensions - BTM 100 BTN9/P4CDB

Abutment dimensions

da

min. 107 mm

Abutment diameter shaft
Da

max. 145 mm

Abutment diameter housing
ra

max. 1.5 mm

Fillet radius
rb

max. 1 mm

Fillet radius
dn

119.7 mm

Oil nozzle position

Calculation data

Basic dynamic load ratingC

48 kN

Basic static load ratingC0

116 kN

Fatigue load limitPu

4.3 kN

Attainable speed for grease lubrication

5 600 r/min

Attainable speed for oil-air lubrication

7 100 r/min

Contact angleα

40 °

Preload class A

550 N

Preload class B

1 650 N

Axial stiffness for preload A (sets of two brgs back-to-back or face-to-face)

534 N/µm

Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face)

809 N/µm

Reference grease quantityGref

22 cm³

Notes
Speed values are applicable to bearings with light preload (suffix DBA). For bearings with a heavy preload (suffix DBB), attainable speeds are about 75% of the quoted values.

Mass

Mass bearing

2.65 kg

Tolerances and clearances

Bearing data

Principles of bearing selection and application

recently added Bearing

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