71809 angular contact ball bearing lathe spindle bearing
Our bearings strength:
1 super precision
2 high quality assurance
3 competitive price
|
Structure |
Angular contact ball bearing |
|
Model number |
71809 |
|
Inner ring(mm) |
45 |
|
Outer ring(mm) |
58 |
|
Width/thickness(mm) |
7 |
|
Material |
Chrome steel GCr15 |
|
Precision grade |
P2 P4 P5 |
|
Seal type |
Open / 2RZ |
|
Lubrication type |
Oil / grease lubrication |
|
Contact angle |
C=15°; AC=25° |
|
Material (ball) |
Steel ball(GCr15); ceramic ball(Si3N4);stainless ball(9Cr18) |
|
Number of row |
Single row |
|
Material (cage) |
M: brass cage ; T:Bakelite retainer; TN:nylon cage |
|
Combination of mark |
G: universal combination(single row) DU:universal combination(double rows) DB: back to back combination DF: face to face combination DT: parallel combination |
|
Preloaded mark |
A(L): light preload B(M): Medium preload C(H): Heavy preload |







