• CRA28 -Track roller with spherical profile
  • CRA28 -Track roller with spherical profile
  • CRA28 -Track roller with spherical profile
  • CRA28 -Track roller with spherical profile

CRA28 -Track roller with spherical profile

No.CRA28ZZ CRA28.2RS
Other code:CRA28-2Z  CRA30R  CRA30Z   CRAX30R use to compact rail and X-rail.
A (mm)
22.8
B (mm)
7
F (mm)
2.2
G (mm)
3.8
D (mm)
10
M (mm)
M5
H (mm)
7
e (mm)
0.6
Cr (N)
2130
C0r (N)
1085
Weight (g)
19
Sealing type:
Steel shield (ZZ)
Rubber seal (2RS)
Grease:
General
HTG high temperature
food grade grease
  • CRA28 -Track roller with spherical profile
  • CRA28 -Track roller with spherical profile
Description
Track rollers with spherical profile - CRA28-2Z  CRA30R  CRA30Z   CRAX30R
Track roller series CRA30...  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