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Number

Bearing model

Main specifications and parameters

Diameter of roller incircle (FW)

Outer diameter of bearing
(D)

Width of bearing
(B)

Diameter and length of roller
(DW×LW)

Particle number of roller
(Z)

Remarks

1

DZ1 (SC)

6.8

15

9

2.5×5

7

copper cage, double ultra-precision

2

DZ1N (SC)

6.8

15

9

2.5×5

7

nylon cage, double ultra-precision

3

DZ1SN (SC)

6.8

14.7

9

2.5×5

7

nylon cage, double ultra-precision

4

DZ1HN (SC)

6.8

14.5

9

2.5×5

7

nylon cage, double ultra-precision

5

DZ2 (C)

7.8

18

9

3.0×5

7

copper cage, single ultra-precision

6

DZ2N (C)

7.8

18

9

3.0×5

7

nylon cage, single ultra-precision

7

DZ2A (SC)

7.8

16

9

2.5×5

8

copper cage, double ultra-precision

8

DZ2AN (SC)

7.8

16

9

2.5×5

8

nylon cage, double ultra-precision

9

DZ3 (SC)

8.8

20

9.6

3.5×5

7

copper cage, double ultra-precision

10

DZ4 (C)

10

22

11

3.5×6

7

copper cage, single ultra-precision

11

DZ5 (C)

12

26

13

4.5×8

7

copper cage, single ultra-precision

12

DZ6 (C)

14

30

14

5.0×8

7

copper cage, single ultra-precision