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BSA 202 CGA-2RZ

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BSA 202 CGA-2RZ

Super-precision sealed single direction angular contact thrust ball bearing
These sealed super-precision ball bearings offer very high running accuracy and are well suited for screw drive applications. They are also beneficial in other applications, where safe radial and axial support is required, together with extremely precise axial guidance of the shaft. Under normal operating conditions, sealed bearings are almost maintenance-free, keeping service costs and grease consumption low.

  • Very high running accuracy
  • High axial stiffness
  • High axial load carrying capacity in one direction
  • Universally matchable
  • Well suited for screw drive applications

Description

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Dimensions - BSA 202 CGA-2RZ

Dimensions

d

15 mm

Bore diameter
D

35 mm

Outside diameter
H

11 mm

Height
d1

20.88 mm

Shoulder diameter
d2

25 mm

Shoulder diameter
D1

27.5 mm

Shoulder/recess diameter
D2

31.05 mm

Shoulder/recess diameter
r1,2

min. 0.6 mm

Chamfer dimension
a

29 mm

Distance to pressure point

Abutment dimensions - BSA 202 CGA-2RZ

Abutment dimensions

da

min. 20 mm

Diameter of shaft abutment
db

min. 20 mm

Diameter of shaft abutment
Da

max. 32 mm

Diameter of housing abutment
Db

max. 32 mm

Diameter of housing abutment
ra

max. 0.6 mm

Radius of housing fillet

Calculation data

Basic dynamic load ratingC

12.7 kN

Basic static load ratingC0

25.5 kN

Fatigue load limitPu

0.95 kN

Attainable speed for grease lubrication

12 000 r/min

Contact angleα

62 °

Preload

770 N

Frictional moment

0.022 N·m

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

460 N/µm

Maximum axial load carrying capacityFa

max. 8.5 kN

Reference grease quantityGref

0.5 cm³

Mass

Mass bearing

0.054 kg

Tolerances and clearances

Principles of bearing selection and application

recently added Bearing

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