| 等級 | 球直徑變動量 VDws(≤) (μm) | 球形誤差 ?RSw(≤) (μm) | 表面粗糙度 Ra(≤) (μm) | 球批直徑變動量 VDwL(≤) (μm) | 球規(guī)值間距 (μm) | 優(yōu)先球規(guī)值 (μm) |
| G 3 | 0.08 | 0.08 | 0.01 | 0.13 | 0.5 | -5 ~ +5 |
| G 5 | 0.13 | 0.13 | 0.014 | 0.25 | 1 | -5 ~ +5 |
| G 10 | 0.25 | 0.25 | 0.02 | 0.5 | 1 | -9 ~ +9 |
| G 16 | 0.4 | 0.4 | 0.025 | 0.8 | 2 | -10 ~ +10 |
| G 20 | 0.5 | 0.5 | 0.032 | 1 | 2 | -10 ~ +10 |
| G 24 | 0.6 | 0.6 | 0.04 | 1.2 | 2 | -12 ~ +12 |
| G 28 | 0.7 | 0.7 | 0.05 | 1.4 | 2 | -12 ~ +12 |
| G 40 | 1 | 1 | 0.06 | 2 | 4 | -16 ~ +16 |
| G 60 | 1.5 | 1.5 | 0.08 | 3 | 6 | -18 ~ +18 |
| G 100 | 2.5 | 2.5 | 0.1 | 5 | 10 | -40 ~ +40 |
| G 200 | 5 | 5 | 0.15 | 10 | 15 | -60 ~ +60 |
| 等級 | 球直徑變動量 VDws(≤) (μm) | 球形誤差 ?RSw(≤) (μm) | 表面粗糙度 Ra(≤) (μm) | 球批直徑變動量 VDwL(≤) (μm) | 球規(guī)值間距 (μm) | 優(yōu)先球規(guī)值 (μm) |
| G 100 | 2.5 | 2.5 | 0.1 | 5 | 10 | -40 ~ +40 |
| G 200 | 5 | 5 | 0.15 | 10 | 15 | -60 ~ +60 |
| G 500 | 12.5 | 12.5 | 0.32 | 25 | * | * |
| G 1000 | 25 | 25 | 0.40 | 50 | * | * |
| 球公稱直徑 Dw mm | 高碳鉻軸承鋼成品鋼球 HRC | 高碳鋼成品鋼球 HRC | 高碳鉻不銹軸承鋼成品鋼球 HRC | 高溫軸承鋼成品鋼球 HRC |
| 0 ~ 30 | 61 ~ 66 | ≥ 60 | ≥ 58 | 61 ~ 66 |
| 30 ~ 50 | 60 ~ 65 | ≥ 60 | ≥ 58 | 61 ~ 66 |
| ≥ 50 | 58 ~ 64 | ≥ 60 | ≥ 58 | 61 ~ 66 |
| 球公稱直徑 Dw mm | 相應的英制尺寸 (參考) in | 球公稱直徑 Dw mm | 相應的英制尺寸 (參考) in | 球公稱直徑 Dw mm | 相應的英制尺寸 (參考) in |
| 0.3 | 9.525 | 3/8 | 30.1625 | 1 3/16 | |
| 0.39688 | 1/64 | 9.92188 | 25/64 | 31.75 | 1 1/4 |
| 0.4 | 10 | 32 | |||
| 0.5 | 10.31875 | 13/32 | 33 | ||
| 0.508 | 0.02 | 10.5 | 33.3375 | 1 5/16 | |
| 0.6 | 11 | 34 | |||
| 0.635 | 0.025 | 11.1125 | 7/16 | 34.925 | 1 3/8 |
| 0.68 | 11.5 | 35 | |||
| 0.7 | 11.50938 | 29/64 | 36 | ||
| 0.79375 | 1/32 | 11.90625 | 15/32 | 36.5125 | 1 7/16 |
| 0.8 | 12 | 38 | |||
| 1 | 12.30312 | 31/64 | 38.1 | 1 1/2 | |
| 1.19062 | 3/64 | 12.5 | 39.6875 | 1 9/16 | |
| 1.2 | 12.7 | 1/2 | 40 | ||
| 1.5 | 13 | 41.275 | 1 5/8 | ||
| 1.5875 | 1/16 | 13.49375 | 17/32 | 42.8625 | 1 11/16 |
| 1.98438 | 5/64 | 14 | 44.45 | 1 3/4 | |
| 2 | 14.2875 | 9/16 | 45 | ||
| 2.38125 | 3/32 | 15 | 46.0375 | 1 13/16 | |
| 2.5 | 15.08125 | 19/32 | 47.625 | 1 7/8 | |
| 2.77812 | 7/64 | 15.875 | 5/8 | 49.2125 | 1 15/16 |
| 3 | 16 | 50 | |||
| 3.175 | 1/8 | 16.66875 | 21/32 | 50.8 | 2 |
| 3.5 | 17 | 53.975 | 2 1/8 | ||
| 3.57188 | 9/64 | 17.4625 | 11/16 | 55 | |
| 3.96875 | 5/32 | 18 | 57.15 | 2 1/4 | |
| 4 | 18.25625 | 23/32 | 60 | ||
| 4.36562 | 11/64 | 19 | 60.325 | 2 3/8 | |
| 4.5 | 19.05 | 3/4 | 63.5 | 2 1/2 | |
| 4.7625 | 3/16 | 19.84375 | 25/32 | 65 | |
| 5 | 20 | 66.675 | 2 5/8 | ||
| 5.15938 | 13/64 | 20.5 | 69.85 | 2 3/4 | |
| 5.5 | 20.6375 | 13/16 | 70 | ||
| 5.55625 | 7/32 | 21 | 73.025 | 2 7/8 | |
| 5.95312 | 15/64 | 21.43125 | 27/32 | 75 | |
| 6 | 22 | 76.2 | 3 | ||
| 6.35 | 1/4 | 22.225 | 7/8 | 79.375 | 3 1/8 |
| 6.5 | 22.5 | 80 | |||
| 6.74688 | 17/64 | 23 | 82.55 | 3 1/4 | |
| 7 | 23.01875 | 29/32 | 85 | ||
| 7.14375 | 9/32 | 23.8125 | 15/16 | 85.725 | 3 3/8 |
| 7.5 | 24 | 88.9 | 3 1/2 | ||
| 7.54062 | 19/64 | 24.60625 | 31/32 | 90 | |
| 7.9375 | 5/16 | 25 | 92.075 | 3 5/8 | |
| 8 | 25.4 | 1 | 95 | ||
| 8.33438 | 21/64 | 26 | 95.25 | 3 3/4 | |
| 8.5 | 26.19375 | 1 1/32 | 98.425 | 3 7/8 | |
| 8.73125 | 11/32 | 26.9875 | 1 1/16 | 100 | |
| 9 | 28 | 101.6 | 4 | ||
| 9.12812 | 23/64 | 28.575 | 1 1/8 | 104.775 | 4 1/8 |
| 9.5 | 30 |