Double-Row Cylindrical Roller Bearings
| Designations | Boundary Dimensions | Basic Load Ratings | Speeds | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Limiting Speeds | ||||||||||
|
d |
D |
B |
r(min.) |
Cr |
C0r |
Grease |
Oil (Oil-air) |
|||
| mm | mm | mm | mm | kN | kN | min-1 | min-1 | |||
| square | NN3005MB | 25 | 47 | 16 | 0.6 | 25.8 | 30.0 | 20900 | 25000 | |
| square | NN3005MBKR | 25 | 47 | 16 | 0.6 | 25.8 | 30.0 | 20900 | 25000 | |
| square | NN3006MB | 30 | 55 | 19 | 1 | 31.0 | 37.0 | 17700 | 21200 | |
| square | NN3006MBKR | 30 | 55 | 19 | 1 | 31.0 | 37.0 | 17700 | 21200 | |
| square | NN3006TB | 30 | 55 | 19 | 1 | 31.0 | 37.0 | 20000 | 23600 | |
| square | NN3006TBKR | 30 | 55 | 19 | 1 | 31.0 | 37.0 | 20000 | 23600 | |
| square | NN3006ZTB | 30 | 55 | 19 | 1 | 18.3 | 18.6 | 21000 | 27900 | |
| square | NN3006ZTBKR | 30 | 55 | 19 | 1 | 18.3 | 18.6 | 21000 | 27900 | |
| square | NN3007MB | 35 | 62 | 20 | 1 | 39.5 | 50.0 | 15500 | 18600 | |
| square | NN3007MBKR | 35 | 62 | 20 | 1 | 39.5 | 50.0 | 15500 | 18600 | |
| square | NN3007TB | 35 | 62 | 20 | 1 | 39.5 | 50.0 | 17600 | 20700 | |
| square | NN3007TBKR | 35 | 62 | 20 | 1 | 39.5 | 50.0 | 17600 | 20700 | |
| square | NN3007ZTB | 35 | 62 | 20 | 1 | 23.3 | 25.0 | 18400 | 24500 | |
| square | NN3007ZTBKR | 35 | 62 | 20 | 1 | 23.3 | 25.0 | 18400 | 24500 | |
| square | NN3008MB | 40 | 68 | 21 | 1 | 50.0 | 55.5 | 13900 | 16700 | |
| square | NN3008MBKR | 40 | 68 | 21 | 1 | 50.0 | 55.5 | 13900 | 16700 | |
| square | NN3008TB | 40 | 68 | 21 | 1 | 50.0 | 55.5 | 15800 | 18600 | |
| square | NN3008TBKR | 40 | 68 | 21 | 1 | 50.0 | 55.5 | 15800 | 18600 | |
| square | NN3008ZTB | 40 | 68 | 21 | 1 | 29.6 | 27.7 | 16600 | 22000 | |
| square | NN3008ZTBKR | 40 | 68 | 21 | 1 | 29.6 | 27.7 | 16600 | 22000 | |
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