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) |
| 130 | 200 | 33 | 2 | 106 | 101 | 10800 | 10300 | 15.8 | 3000 | 1900 | 3600 | 6026 | ZZ | — | DDU | N | NR | 5.69 | 3.5 | 193.65 | 0.6 | 0.5 | 212.9 | 3.1 | 139 | 148.5 | 191 | 2 | 215 | 8.4 | 3.26 |
| 130 | 200 | 22 | 1.1 | 75.5 | 77.5 | 7700 | 7900 | 16.4 | 3000 | — | 3600 | 16026 | — | — | — | — | — | — | — | — | — | — | — | — | 136.5 | — | 193.5 | 1 | — | — | 2.4 |
| 130 | 180 | 24 | 1.5 | 65 | 67.5 | 6650 | 6850 | 16.5 | 3400 | — | 4000 | 6926 | ZZ | — | — | N | NR | 3.7 | 1.9 | 176.8 | 0.6 | 0.5 | 186.5 | 1.7 | 138 | 144 | 172 | 1.5 | 188 | 5.1 | 1.57 |
| 130 | 165 | 18 | 1.1 | 37 | 44 | 3750 | 4450 | 17.1 | 3600 | 2000 | 4300 | 6826 | ZZS | VV | DD | N | NR | 3.3 | 1.9 | 161.8 | 0.6 | 0.5 | 171.5 | 1.7 | 136.5 | 138 | 158.5 | 1 | 173 | 4.7 | 0.758 |
| 120 | 260 | 55 | 3 | 207 | 185 | 21100 | 18800 | 13.5 | 2200 | 1800 | 2800 | 6324 | ZZS | VV | DDU | — | — | — | — | — | — | — | — | — | 133 | 161 | 247 | 2.5 | — | — | 12.5 |
| 120 | 215 | 40 | 2.1 | 155 | 131 | 15800 | 13400 | 14.4 | 2600 | 2000 | 3200 | 6224 | ZZ | VV | DDU | — | — | — | — | — | — | — | — | — | 131 | 146 | 204 | 2 | — | — | 5.29 |
| 120 | 180 | 28 | 2 | 92.5 | 80 | 9450 | 5850 | 15.7 | 4000 | 2200 | 5000 | *6024& | ZZ | VV | DDU | N | NR | 3.71 | 3.5 | 173.66 | 0.6 | 0.5 | 192.9 | 3.1 | 129 | 134.5 | 171 | 2 | 195 | 6.4 | 2.08 |
| 120 | 180 | 19 | 1 | 56.5 | 57.5 | 5800 | 5850 | 16.5 | 3600 | — | 4300 | 16024 | — | — | — | — | — | — | — | — | — | — | — | — | 125 | — | 175 | 1 | — | — | 1.6 |
| 120 | 165 | 22 | 1.1 | 53 | 54 | 5400 | 5500 | 16.5 | 3800 | — | 4500 | 6924 | ZZ | — | — | N | NR | 3.7 | 1.9 | 161.8 | 0.6 | 0.5 | 171.5 | 1.7 | 126.5 | 132 | 158.5 | 1 | 173 | 5.1 | 1.21 |
| 120 | 150 | 16 | 1 | 28.9 | 35.5 | 2950 | 3650 | 17.3 | 4000 | 2200 | 4800 | 6824 | ZZ | VV | DD | N | NR | 2.5 | 1.9 | 147.6 | 0.6 | 0.5 | 155.7 | 1.7 | 125 | 127 | 145 | 1 | 157 | 3.9 | 0.537 |
| 110 | 240 | 50 | 3 | 205 | 179 | 20900 | 18300 | 13.2 | 2400 | — | 3000 | 6322 | ZZ | — | — | — | — | — | — | — | — | — | — | — | 123 | 147 | 227 | 2.5 | — | — | 9.51 |
| 110 | 200 | 38 | 2.1 | 144 | 117 | 14700 | 11900 | 14.3 | 2800 | 2200 | 3400 | 6222 | ZZ | VV | DDU | N | NR | 5.69 | 3.5 | 193.65 | 0.6 | 0.5 | 212.9 | 3.1 | 121 | 134 | 189 | 2 | 215 | 8.4 | 4.45 |
| 110 | 170 | 28 | 2 | 89 | 73 | 9100 | 7450 | 15.5 | 4500 | 2200 | 5300 | *6022& | ZZ | VV | DDU | N | NR | 3.71 | 3.5 | 163.65 | 0.6 | 0.5 | 182.9 | 3.1 | 119 | 124.5 | 161 | 2 | 185 | 6.4 | 1.94 |
| 110 | 170 | 19 | 1 | 57.5 | 56.5 | 5850 | 5800 | 16.3 | 3800 | — | 4500 | 16022 | — | — | — | — | — | — | — | — | — | — | — | — | 115 | — | 165 | 1 | — | — | 1.51 |
| 110 | 150 | 20 | 1.1 | 43.5 | 44.5 | 4450 | 4550 | 16.6 | 4300 | 2400 | 5000 | 6922 | ZZ | VV | DDU | N | NR | 3.3 | 1.9 | 147.6 | 0.6 | 0.5 | 155.7 | 1.7 | 116.5 | 121 | 143.5 | 1 | 157 | 4.7 | 0.893 |
| 110 | 140 | 16 | 1 | 28.1 | 32.5 | 2860 | 3350 | 17.1 | 4300 | 2400 | 5300 | 6822 | ZZ | VV | DDU | N | NR | 2.5 | 1.9 | 137.6 | 0.6 | 0.5 | 145.7 | 1.7 | 115 | 117 | 135 | 1 | 147 | 3.9 | 0.497 |
| 105 | 225 | 49 | 3 | 184 | 154 | 18700 | 15700 | 13.2 | 2600 | 2000 | 3200 | 6321 | ZZ | — | DDU | — | — | — | — | — | — | — | — | — | 118 | 138 | 212 | 2.5 | — | — | 8.09 |
| 105 | 190 | 36 | 2.1 | 140 | 105 | 14200 | 10700 | 14.4 | 3800 | 2200 | 4500 | *6221& | ZZ | VV | DDU | N | NR | 5.69 | 3.5 | 183.64 | 0.6 | 0.5 | 202.9 | 3.1 | 116 | 127.5 | 179 | 2 | 205 | 8.4 | 3.79 |
| 105 | 160 | 26 | 2 | 76 | 66 | 7750 | 6700 | 15.8 | 4500 | 2400 | 5600 | *6021& | ZZ | VV | DDU | N | NR | 3.71 | 3.1 | 155.22 | 0.6 | 0.5 | 169.7 | 2.82 | 114 | 120 | 151 | 2 | 172 | 6.1 | 1.58 |
| 105 | 160 | 18 | 1 | 52 | 50.5 | 5300 | 5150 | 16.3 | 4000 | — | 4800 | 16021 | — | — | — | — | — | — | — | — | — | — | — | — | 110 | — | 155 | 1 | — | — | 1.24 |
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