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.
| Dimensions (mm) | Rated load (KN) | Rated load {kgf} | Coef. | Rated speed (min)-1 Grease lubrication | Rated speed (min)-1 Oil lubrication | Bearing Designation | Dimensions of the Retaining Ring Groove(1) (mm) | Stop Ring Dimensions (mm) | Stop Ring Dimensions(1) (mm) | Install Dimensions (mm) | Weight (kg) | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | γ(Minimum) | Cr | Cor | Cr | Cor | f0 | Open-type Z·ZZ-type V· VV Type | Open-type DU Type DDU Type | Open-type Z-type | Open-type | Dust cover | Contactless Seal type | Contact seal type | With automatic ring groove | with a retaining 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) |
| 70 | 110 | 20 | 1.1 | 40 | 31 | 4100 | 3150 | 15.6 | 7100 | 3600 | 8500 | *6014& | ZZ | VV | DDU | N | NR | 2.87 | 2.7 | 106.81 | 0.6 | 0.5 | 116.6 | 2.46 | 76.5 | 80.5 | 103.5 | 1 | 118 | 5 | 0.608 |
| 70 | 110 | 13 | 0.6 | 26.8 | 23.6 | 2730 | 2410 | 16.3 | 6000 | — | 7100 | 16014 | — | — | — | — | — | — | — | — | — | — | — | — | 74 | 106 | 0.6 | — | — | 0.441 | |
| 70 | 100 | 16 | 1 | 23.7 | 21.2 | 2420 | 2160 | 16.3 | 6300 | 3600 | 7500 | 6914 | ZZ | VV | DDU | N | NR | 2.5 | 1.3 | 97.9 | 0.4 | 0.5 | 104.4 | 1.12 | 75 | 77.5 | 95 | 1 | 106 | 3.3 | 0.349 |
| 70 | 90 | 10 | 0.6 | 12.1 | 12.7 | 1230 | 1300 | 17.2 | 6700 | 3800 | 8000 | 6814 | ZZ | VV | DD | N | NR | 1.7 | 1.3 | 87.9 | 0.4 | 0.5 | 94.4 | 1.12 | 74 | 74.5 | 86 | 0.6 | 96 | 2.5 | 0.134 |
| 65 | 140 | 33 | 2.1 | 97.5 | 60 | 9900 | 6100 | 13.2 | 5600 | 3400 | 6700 | *6313& | ZZ | VV | DDU | N | NR | 4.9 | 3.1 | 135.23 | 0.6 | 0.5 | 149.7 | 2.82 | 76 | 85.5 | 129 | 2 | 152 | 7.3 | 2.11 |
| 65 | 120 | 23 | 1.5 | 60 | 40 | 6150 | 4100 | 14.4 | 6300 | 3600 | 7500 | *6213& | ZZ | VV | DDU | N | NR | 4.06 | 3.1 | 115.21 | 0.6 | 0.5 | 129.7 | 2.82 | 73 | 80 | 112 | 1.5 | 131.5 | 6.5 | 1.0 |
| 65 | 100 | 18 | 1.1 | 32 | 25.2 | 3250 | 2570 | 15.8 | 7500 | 4000 | 9000 | *6013& | ZZ | VV | DDU | N | NR | 2.87 | 2.7 | 96.8 | 0.6 | 0.5 | 106.5 | 2.46 | 71.5 | 73 | 93.5 | 1 | 108 | 5 | 0.439 |
| 65 | 100 | 11 | 0.6 | 20.5 | 18.7 | 2090 | 1910 | 16.5 | 6700 | — | 8000 | 16013 | — | — | — | — | — | — | — | — | — | — | — | — | 69 | — | 96 | 0.6 | — | — | 0.30 |
| 65 | 90 | 13 | 1 | 17.4 | 16.1 | 1770 | 1640 | 16.6 | 7100 | 4000 | 8500 | 6913 | ZZ | VV | DDU | N | NR | 2.1 | 1.3 | 87.9 | 0.4 | 0.5 | 94.4 | 1.12 | 70 | 71.5 | 85 | 1 | 96 | 2.9 | 0.218 |
| 65 | 85 | 10 | 0.6 | 11.9 | 12.1 | 1220 | 1230 | 17.0 | 7500 | 4000 | 8500 | 6813 | ZZ | VV | DD | N | NR | 1.7 | 1.3 | 82.9 | 0.4 | 0.5 | 89.4 | 1.12 | 69 | 69 | 81 | 0.6 | 91 | 2.5 | 0.128 |
| 60 | 130 | 31 | 2.1 | 86 | 52 | 8750 | 5300 | 13.1 | 6000 | 3600 | 7100 | *6312& | ZZ | VV | DDU | N | NR | 4.06 | 3.1 | 125.22 | 0.6 | 0.5 | 139.7 | 2.82 | 71 | 79 | 119 | 2 | 141.5 | 6.5 | 1.72 |
| 60 | 110 | 22 | 1.5 | 55 | 36 | 5600 | 3700 | 14.3 | 6700 | 3800 | 8000 | *6212& | ZZ | VV | DDU | N | NR | 3.28 | 2.7 | 106.81 | 0.6 | 0.5 | 116.6 | 2.46 | 68 | 74.5 | 102 | 1.5 | 118 | 5.4 | 0.783 |
| 60 | 95 | 18 | 1.1 | 31 | 23.2 | 3150 | 2370 | 15.6 | 8000 | 4000 | 9500 | *6012& | ZZ | VV | DDU | N | NR | 2.87 | 2.7 | 91.82 | 0.6 | 0.5 | 101.6 | 2.46 | 66.5 | 69 | 88.5 | 1 | 103 | 5 | 0.412 |
| 60 | 95 | 11 | 0.6 | 20 | 17.5 | 2040 | 1780 | 16.3 | 7100 | — | 8500 | 16012 | — | — | — | — | — | — | — | — | — | — | — | — | 64 | — | 91 | 0.6 | — | — | 0.281 |
| 60 | 85 | 13 | 1 | 19.4 | 16.3 | 1980 | 1660 | 16.2 | 7500 | 4300 | 9000 | 6912 | ZZ | VV | DDU | N | NR | 2.1 | 1.3 | 82.9 | 0.4 | 0.5 | 89.4 | 1.12 | 65 | 66 | 80 | 1 | 91 | 2.9 | 0.192 |
| 60 | 78 | 10 | 0.3 | 11.5 | 10.9 | 1170 | 1120 | 16.9 | 8000 | 4500 | 9500 | 6812 | ZZ | VV | DD | N | NR | 1.7 | 1.3 | 76.2 | 0.4 | 0.3 | 82.7 | 1.12 | 62 | 64 | 76 | 0.3 | 84 | 2.5 | 0.103 |
| 55 | 120 | 29 | 2 | 75 | 44.5 | 7650 | 4550 | 13.1 | 6700 | 4000 | 8000 | *6311& | ZZ | VV | DDU | N | NR | 4.06 | 3.1 | 115.21 | 0.6 | 0.5 | 129.7 | 2.82 | 64 | 72.5 | 111 | 2 | 131.5 | 6.5 | 1.37 |
| 55 | 100 | 21 | 1.5 | 45.5 | 29.3 | 4650 | 2980 | 14.3 | 7500 | 4300 | 9000 | *6211& | ZZ | VV | DDU | N | NR | 3.28 | 2.7 | 96.8 | 0.6 | 0.5 | 106.5 | 2.46 | 63 | 66.5 | 92 | 1.5 | 108 | 5.4 | 0.619 |
| 55 | 90 | 18 | 1.1 | 29.7 | 21.2 | 3050 | 2170 | 15.3 | 8500 | 4500 | 10000 | *6011& | ZZ | VV | DDU | N | NR | 2.87 | 2.7 | 86.79 | 0.6 | 0.5 | 96.5 | 2.46 | 61.5 | 64 | 83.5 | 1 | 98 | 5 | 0.381 |
| 55 | 90 | 11 | 0.6 | 19.4 | 16.3 | 1980 | 1660 | 16.2 | 7500 | — | 9000 | 16011 | — | — | — | — | — | — | — | — | — | — | — | — | 59 | — | 86 | 0.6 | — | — | 0.257 |
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