• CRA20 -Track roller with spherical profile
  • CRA20 -Track roller with spherical profile
  • CRA20 -Track roller with spherical profile
  • CRA20 -Track roller with spherical profile

CRA20 -Track roller with spherical profile

No.CRA20ZZ CRA20.2RS
Other code:CRA20-2Z  CRA20R  CRA20Z   CRAX20R use to compact rail and X-rail
A (mm)
14
B (mm)
4
F (mm)
1.55
G (mm)
1.8
D (mm)
6
M (mm)
M4
H (mm)
5.5
e (mm)
0.4
Cr (N)
765
C0r (N)
410
Weight (g)
4
Sealing type:
Steel shield (ZZ)
Rubber seal (2RS)
Grease:
General
HTG high temperature
food grade grease
  • CRA20 -Track roller with spherical profile
  • CRA20 -Track roller with spherical profile
Description
Track rollers with spherical profile - CRA20-2Z  CRA20R  CRA20Z   CRAX20R
Track roller series CRA20...  are precision ball bearings that they are generally used in precision linear motion guide.
They are supplied with rubber seals and metal shields respectively, and are also available with concentric pivots and eccentric pivots.

Material:
Bearings: High quality chromium steel  or martensitic stainless steel. e.g. 100Cr6 SUS440C
Pivot: High quality carbon steel or stainless steel. e.g. 1045  SUS304