シャフトに関係する規格表
回転軸の軸径 JIS B 0901(抜粋)

| 軸 径 d |
標準数 | 円 筒 軸 端 |
転 が り 軸 端 |
||
| R5 | R10 | R20 | |||
| 10 | ○ | ○ | ○ | ○ | ○ |
| 11 | ○ | ||||
| 11.2 | ○ | ||||
| 12 | ○ | ○ | |||
| 12.5 | ○ | ○ | |||
| 14 | ○ | ○ | |||
| 15 | ○ | ||||
| 16 | ○ | ○ | ○ | ○ | |
| 17 | ○ | ||||
| 18 | ○ | ○ | |||
| 19 | ○ | ||||
| 20 | ○ | ○ | ○ | ○ | |
| 22 | ○ | ○ | |||
| 22.4 | ○ | ||||
| 24 | ○ | ||||
| 25 | ○ | ○ | ○ | ○ | ○ |
| 28 | ○ | ○ | ○ | ||
| 30 | ○ | ○ | |||
| 31.5 | ○ | ○ | |||
| 32 | ○ | ○ | |||
| 35 | ○ | ○ | |||
| 35.5 | ○ | ||||
| 38 | ○ | ||||
| 40 | ○ | ○ | ○ | ○ | ○ |
| 42 | ○ | ||||
| 45 | ○ | ○ | ○ | ||
| 48 | ○ | ||||
| 50 | ○ | ○ | ○ | ○ | |
| 55 | ○ | ○ | |||
| 56 | ○ | ○ | |||
| 60 | ○ | ○ | |||
| 63 | ○ | ○ | ○ | ○ | |
| 65 | ○ | ○ | |||
| 70 | ○ | ○ | |||
| 71 | ○ | ○ | |||
| 75 | ○ | ○ | |||
| 80 | ○ | ○ | ○ | ○ | |
| 85 | ○ | ○ | |||
| 90 | ○ | ○ | ○ | ||
| 95 | ○ | ○ | |||
キー溝の寸法詳細

| キーの 呼び寸法 b×h |
キー溝の寸法(普通形) | |||||||
| b1 | b2 | t1の 基準 寸法 |
t2の 基準 寸法 |
t1および t2の 許容差 |
適応する 軸径 d |
|||
| 基準 寸法 |
許容差 | 基準 寸法 |
許容差 | |||||
| 2×2 | 2 | -0.004 -0.029 |
2 | ±0.0125 | 1.2 | 1.0 | +0.1 0 |
6~8 |
| 3×3 | 3 | 3 | 1.8 | 1.4 | 8~10 | |||
| 4×4 | 4 | 0 -0.030 |
4 | ±0.015 | 2.5 | 1.8 | 10~12 | |
| 5×5 | 5 | 5 | 3.0 | 2.3 | 12~17 | |||
| 6×6 | 6 | 6 | 3.5 | 2.8 | 17~22 | |||
| 8×7 | 8 | 0 -0.036 |
8 | ±0.018 | 4.0 | 3.3 | +0.2 0 |
22~30 |
| 10×8 | 10 | 10 | 5.0 | 3.3 | 30~38 | |||
| 12×8 | 12 | 0 -0.043 |
12 | ±0.0215 | 5.0 | 3.3 | 38~44 | |
| 14×9 | 14 | 14 | 5.5 | 3.8 | 44~50 | |||
| 16×10 | 16 | 16 | 6.0 | 4.3 | 50~58 | |||
| 18×11 | 18 | 18 | 7.0 | 4.4 | 58~65 | |||
| 20×12 | 20 | 0 -0.062 |
20 | ±0.026 | 7.5 | 4.9 | 65~75 | |
| 22×14 | 22 | 22 | 9.0 | 5.4 | 75~85 | |||
| 25×14 | 25 | 25 | 9.0 | 5.4 | 85~95 | |||
| 28×16 | 28 | 28 | 10.0 | 6.4 | 95~110 | |||
スプリングピン (JIS B 2808)

| 呼び(d) | 2.5 | 3 | 4 | 5 | >6 | 8 | 10 |
| 長さ(l) | 5~ 25 |
6~ 32 |
8~ 40 |
10~ 50 |
12~ 63 |
16~ 80 |
18~ 200 |
| dの穴の許容差 | +0.09 0 |
+0.12 0 |
+0.15 0 |
||||
テーパーピン (JIS B 1352)

| 呼び(d) | 4 | 5 | 6 | 8 | 10 | 12 | 16 |
| 許容差 | – | 0 -0.048 |
0 -0.058 |
0 -0.070 |
|||
| 長さ(l) | 14~ 55 |
18~ 60 |
22~ 90 |
22~ 120 |
26~ 160 |
32~ 180 |
40~ 200 |
E形止め輪(JIS B 2804)
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| 呼び | 適用する軸 | ||||||
| d1の区分 | d2 | m | n | ||||
| を超え | 以下 | 基準 寸法 |
>許容差 | 基準 寸法 |
許容差 | 最小 | |
| 0.8 | 1.0 | 1.4 | 0.8 | +0.05 0 |
0.30 | +0.05 0 |
0.4 |
| 1.2 | 1.4 | 2.0 | 1.2 | +0.06 0 |
0.40 | 0.6 | |
| 1.5 | 2.0 | 2.5 | 1.5 | 0.50 | 0.8 | ||
| 2 | 2.5 | 3.2 | 2.0 | 1.0 | |||
| 2.5 | 3.2 | 4.0 | 2.5 | ||||
| 3 | 4.0 | 5.0 | 3.0 | 0.70 | +0.10 0 |
||
| 4 | 5.0 | 7.0 | 4.0 | +0.075 0 |
1.2 | ||
| 5 | 6.0 | 8.0 | 5.0 | ||||
| 6 | 7.0 | 9.0 | 6.0 | 0.90 | |||
| 7 | 8.0 | 11.0 | 7.0 | +0.09 0 |
1.5 | ||
| 8 | 9.0 | 12.0 | 8.0 | 1.8 | |||
| 9 | 10.0 | 14.0 | 9.0 | 2.0 | |||
| 10 | 11.0 | 15.0 | 10.0 | 10.0 | +0.14 0 |
||
| 12 | 13.0 | 18.0 | 12.0 | +0.13 0 |
12.0 | 2.5 | |
| 15 | 16.0 | 24.0 | 15.0 | 15.0 | 3.0 | ||
C形止め輪軸用(JIS B 2804)
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| 呼び | 適用する軸 | ||||
| d2 | m | n | |||
| 基準 寸法 |
許容差 | 基準 寸法 |
許容差 | 最小 | |
| 10 | 9.6 | 0 -0.09 |
1.15 | +0.14 0 |
1.5 |
| 12 | 11.5 | 0 -0.11 |
|||
| 14 | 13.4 | ||||
| 16 | 15.2 | ||||
| 18 | 17.0 | 1.35 | |||
| 20 | 19.0 | 0 -0.21 |
|||
| 22 | 21.0 | ||||
| 25 | 23.9 | ||||
| 28 | 26.6 | ||||
| 30 | 28.6 | 1.75 | |||
| 32 | 30.3 | 0 -0.25 |
|||
| 35 | 33.0 | ||||
| 40 | 38.0 | 1.95 | 2 | ||
| 45 | 42.5 | ||||
| 50 | 47.0 | 2.2 | |||



