Single-row deep groove ball bearings (inner diameter 10–160 mm) cater to a wide range of applications, from micro-motors to medium-sized industrial gearboxes, and represent the core of the brand’s precision manufacturing technology. This series utilises high-purity bearing steel and NSK’s Japanese grinding processes to ensure P5/P6 precision whilst minimising friction torque, making it particularly suitable for high-speed operation. The optimised deep-groove raceway design enables the bearings to withstand both radial and bidirectional axial loads. Combined with low-noise cages and high-quality grease, operating noise is significantly lower than industry standards. From small shaft diameters of 10 mm to heavy-duty spindles of 160 mm, every bearing undergoes 100% vibration and clearance testing to ensure smooth, quiet and long-lasting operation in CNC machine tools, industrial fans, agricultural machinery and automated equipment.
| Overall dimensions (mm) | Rated load (KN) | Rated load {kgf} | Coefficient | Rated speed min-1 Grease lubrication | Rated speed min-1 Oil lubrication | Bearing code | Stop ring groove size (1) (mm) | Stop ring size (mm) | Stop ring size(1) (mm) | Installation dimensions (mm) | Weight (kg) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | γ(minimum) | Cr | Cor | Cr | Cor | f0 | Open Z·ZZ type V·VV type | Open DU type DDU type | Open Z type | Open | Dust cover | Non-contact Sealing ring type | Contact Sealing Ring Type | Equipped with automatic ring groove | With stopper ring | a (maximum) | b (minimum) | D1 (maximum) | γo (maximum) | γN (minimum) | D2 (maximum) | f | Da (minimum） | da (maximum） | Da (maximum) | γa (maximum) | Dx (minimum) | CY (maximum) | (Reference) |
| 15 | 35 | 11 | 0.6 | 8 | 3.75 | 820 | 380 | 13.2 | 22000 | 14000 | 28000 | *6202& | ZZ | VV | DDU | N | NR | 2.06 | 1.35 | 33.17 | 0.4 | 0.5 | 39.7 | 1.12 | 19 | 20.5 | 31 | 0.6 | 40.5 | 2.9 | 0.045 |
| 15 | 32 | 9 | 0.3 | 5.85 | 2.83 | 600 | 289 | 13.9 | 26000 | 15000 | 32000 | *6002& | ZZ | VV | DDU | N | NR | 2.06 | 1.35 | 30.15 | 0.4 | 0.3 | 36.7 | 1.12 | 17 | 19 | 30 | 0.3 | 37.5 | 2.9 | 0.031 |
| 15 | 32 | 8 | 0.3 | 5.6 | 2.83 | 570 | 289 | 13.9 | 24000 | — | 28000 | 16002 | — | — | — | — | — | — | — | — | — | — | — | — | 17 | — | 30 | 0.3 | — | — | 0.027 |
| 15 | 28 | 7 | 0.3 | 4.35 | 2.26 | 440 | 230 | 14.3 | 26000 | 17000 | 30000 | 6902 | ZZ | VV | DD | N | NR | 1.3 | 0.95 | 26.7 | 0.25 | 0.3 | 30.8 | 0.85 | 17 | 17 | 26 | 0.3 | 31.5 | 1.8 | 0.015 |
| 15 | 24 | 5 | 0.3 | 2.07 | 1.26 | 212 | 128 | 15.8 | 28000 | 17000 | 34000 | 6802 | ZZ | VV | DD | — | — | — | — | — | — | — | — | — | 17 | 17 | 22 | 0.3 | — | — | 0.007 |
| 12 | 37 | 12 | 1 | 10.2 | 4.20 | 1040 | 425 | 11.1 | 24000 | 16000 | 28000 | *6301& | ZZ | VV | DDU | N | NR | 2.06 | 1.35 | 34.77 | 0.4 | 0.5 | 41.3 | 1.12 | 17 | 18 | 32 | 1 | 42 | 2.9 | 0.060 |
| 12 | 32 | 10 | 0.6 | 7.15 | 3.05 | 730 | 310 | 12.3 | 26000 | 17000 | 32000 | *6201& | ZZ | VV | DDU | N | NR | 2.06 | 1.35 | 30.15 | 0.4 | 0.5 | 36.7 | 1.12 | 16 | 17 | 28 | 0.6 | 37.5 | 2.9 | 0.037 |
| 12 | 28 | 8 | 0.3 | 5.35 | 2.37 | 545 | 241 | 13.0 | 32000 | 18000 | 38000 | *6001& | ZZ | VV | DDU | N | NR | 1.35 | 0.87 | 26.5 | 0.2 | 0.3 | 30.7 | 0.84 | 14 | 15.5 | 26 | 0.3 | 31.4 | 1.9 | 0.022 |
| 12 | 28 | 7 | 0.3 | 5.1 | 2.37 | 520 | 241 | 13.0 | 28000 | — | 32000 | 16001 | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | 26 | 0.3 | — | — | 0.019 |
| 12 | 24 | 6 | 0.3 | 2.89 | 1.46 | 295 | 149 | 14.5 | 30000 | 20000 | 36000 | 6901 | ZZ | VV | DD | N | NR | 1.05 | 0.8 | 22.8 | 0.2 | 0.2 | 26.8 | 0.7 | 14 | 14.5 | 22 | 0.3 | 27.5 | 1.5 | 0.010 |
| 12 | 21 | 5 | 0.3 | 1.92 | 1.04 | 195 | 106 | 15.3 | 32000 | 20000 | 38000 | 6801 | ZZ | VV | DD | — | — | — | — | — | — | — | — | — | 14 | 14 | 19 | 0.3 | — | — | 0.006 |
| 10 | 35 | 11 | 0.6 | 8.5 | 3.45 | 865 | 350 | 11.2 | 26000 | 17000 | 30000 | *6300& | ZZ | VV | DDU | N | NR | 2.06 | 1.35 | 33.17 | 0.4 | 0.5 | 39.7 | 1.12 | 14 | 16.5 | 31 | 0.6 | 40.5 | 2.9 | 0.052 |
| 10 | 22 | 6 | 0.3 | 2.7 | 1.27 | 275 | 129 | 14.0 | 32000 | 22000 | 38000 | 6900 | ZZ | VV | DD | N | NR | 1.05 | 0.8 | 20.8 | 0.2 | 0.2 | 24.8 | 0.7 | 12 | 12.5 | 20 | 0.3 | 25.5 | 1.5 | 0.009 |
| 10 | 30 | 9 | 0.6 | 5.35 | 2.39 | 545 | 244 | 13.2 | 28000 | 18000 | 34000 | *6200& | ZZ | VV | DDU | N | NR | 2.06 | 1.35 | 28.17 | 0.4 | 0.5 | 34.7 | 1.12 | 14 | 16 | 26 | 0.6 | 35.5 | 2.9 | 0.032 |
| 10 | 26 | 8 | 0.3 | 4.55 | 1.97 | 465 | 201 | 12.4 | 30000 | 22000 | 36000 | 6000 | ZZ | VV | DDU | N | NR | 1.35 | 0.87 | 24.5 | 0.2 | 0.3 | 28.7 | 0.84 | 12 | 13 | 24 | 0.3 | 29.4 | 1.9 | 0.018 |
| 10 | 19 | 5 | 0.3 | 1.72 | 0.84 | 175 | 86 | 14.8 | 34000 | 24000 | 40000 | 6800 | ZZ | VV | DD | — | — | — | — | — | — | — | — | — | 12 | 12 | 17 | 0.3 | — | — | 0.005 |
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