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支承滾輪軸承
SJ--支承滾輪軸承的特點是具有厚壁外圈, 滾輪可以直接在滾道上滾動, 并可以承受大的負荷。滾輪的外圈外表面為圓柱或弧形，弧形可避免邊緣應力。為不同的用途提供品種繁多的各類支承滾輪,主要有壓力滾輪,偏心滾輪或搖桿滾輪。
主要結構形式：
一、無軸向引導
| 軸承代號 | 結構特點 |
| RSTO | 外圈無擋邊、有保持架、 弧形滾面 |
| RSTO..X | 無密封、無內圈 柱形滾面 |
| STO | 外圈無擋邊、有保持架、 弧形滾面 |
| STO..X | 雙面密封、無內圈 柱形滾面 |
| RNA22..2RS | 外圈雙擋邊、有保持架、 弧形滾面 |
| RNA22..2RS X | 雙面密封、有內圈 柱形滾面 |
| NA22..2RS 外 | 圈雙擋邊、有保持架 弧形滾面 |
| NA22..2RS X | 雙面密封、有內圈 柱形滾面 |
二、有軸向引導
| 軸承代號 | 結構特點 |
| NATR | 有保持架 有內圈 弧形滾面或柱形滾面 |
| NATR..PP | 有保持架 有內圈 弧形滾面或柱形滾面 |
| NATV | 滿裝滾針 有內圈 弧形滾面或柱形滾面 |
| NATV..PP | 滿裝滾針 有內圈 弧形滾面或柱形滾面 |
| NUTR | 滿裝圓柱滾子 有內圈 弧形滾面 |
| NUTR..X | 滿裝圓柱滾子 有內圈 柱形滾 |
| 軸徑 | 軸承型號 | 外形尺寸 | 額定負荷 | 極限轉速 | |||||||||
| Bearing Designation | BoundaryDimensions | BasicLoadRating | |||||||||||
| Shaft | 無密封圈 | 有密封圈 | 內徑（d） | 外徑 | 總高B | 外圈高C | 墊片外徑d1 | rs | 動載荷 | 靜載荷 | 作為支承滾輪 | ||
| As yoke type track rollers | |||||||||||||
| Diameter | Dynamic | Static | 動 Cw | 靜 Cow | Limiting Speed | ||||||||
| mm | Without IR | With IR | mm | min | N | rpm | |||||||
| 16 | NATR 5 | NATR 5 PP | 5 | 16 | 12 | 11 | 12 | 0.15 | 3800 | 3750 | 3150 | 3300 | *22000 |
| NATV 5 | NATV 5 PP | 5 | 16 | 12 | 11 | 12 | 0.15 | 6400 | 8500 | 4850 | 6500 | 8500 | |
| 19 | NATR 6 | NATR 6 PP | 6 | 19 | 12 | 11 | 14 | 0.15 | 4250 | 4600 | 3500 | 3900 | *20000 |
| NATV 6 | NATV 6 PP | 6 | 19 | 12 | 11 | 14 | 0.15 | 7300 | 10800 | 5500 | 7900 | 7000 | |
| 24 | NATR 8 | NATR 8 PP | 8 | 24 | 15 | 14 | 19 | 0.3 | 6800 | 7700 | 5500 | 6400 | *15000 |
| NATV 8 | NATV 8 PP | 8 | 24 | 15 | 14 | 19 | 0.3 | 10400 | 15600 | 7800 | 11400 | 5500 | |
| 30 | NATR 10 | NATR 10 PP | 10 | 30 | 15 | 14 | 23 | 0.6 | 8100 | 9700 | 6800 | 8400 | 11000 |
| NATV 10 | NATV 10 PP | 10 | 30 | 15 | 14 | 23 | 0.6 | 12200 | 19000 | 9500 | 14600 | 4500 | |
| 32 | NATR 12 | NATR 12 PP | 12 | 32 | 15 | 14 | 25 | 0.6 | 8700 | 11000 | 6900 | 8800 | 9000 |
| NATV 12 | NATV 12 PP | 12 | 32 | 15 | 14 | 25 | 0.6 | 13200 | 21700 | 9700 | 15400 | 3900 | |
| 35 | NATR 15 | NATR 15 PP | 15 | 35 | 19 | 18 | 27 | 0.6 | 12900 | 19000 | 9700 | 14100 | 7000 |
| NATV 15 | NATV 15 PP | 15 | 35 | 19 | 18 | 27 | 0.6 | 18300 | 35000 | 12800 | 23000 | 3400 | |
| 40 | NATR 17 | NATR 17 PP | 17 | 40 | 21 | 20 | 32 | 1 | 14200 | 20400 | 10900 | 15500 | 6000 |
| NATV 17 | NATV 17 PP | 17 | 40 | 21 | 20 | 32 | 1 | 21000 | 39500 | 14800 | 26500 | 2900 | |
| 47 | NATR 20 | NATR 20 PP | 20 | 47 | 25 | 24 | 37 | 1 | 19500 | 32000 | 15500 | 25500 | 4900 |
| NATV 20 | NATV 20 PP | 20 | 47 | 25 | 24 | 37 | 1 | 28000 | 59000 | 20600 | 42000 | 2600 | |
| 52 | NATR 25 | NATR 25 PP | 25 | 52 | 25 | 24 | 42 | 1 | 21200 | 38000 | 15400 | 26500 | 3600 |
| NATV 25 | NATV 25 PP | 25 | 52 | 25 | 24 | 42 | 1 | 31000 | 72000 | 20500 | 44000 | 2100 | |
| 62 | NATR 30 | NATR 30 PP | 30 | 62 | 29 | 28 | 51 | 1 | 34000 | 59000 | 23600 | 38500 | 2600 |
| NATV 30 | NATV 30 PP | 30 | 62 | 29 | 28 | 51 | 1 | 48500 | 108000 | 30500 | 63000 | 1700 | |
| 72 | NATR 35 | NATR 35 PP | 35 | 72 | 29 | 28 | 58 | 1.1 | 37000 | 69000 | 25500 | 44500 | 2000 |
| NATV 35 | NATV 35 PP | 35 | 72 | 29 | 28 | 58 | 1.1 | 53000 | 127000 | 33000 | 73000 | 1400 | |
| 80 | NATR 40 | NATR 40 PP | 40 | 80 | 32 | 30 | 66 | 1.1 | 49000 | 94000 | 33000 | 59000 | 1700 |
| NATV 40 | NATV 40 PP | 40 | 80 | 32 | 30 | 66 | 1.1 | 66000 | 159000 | 41000 | 90000 | 1300 | |
| 85 | NATR 45 | NATR 45 PP | 45 | 85 | 32 | 30 | 72 | 1.1 | 51000 | 101000 | 32500 | 59000 | 1500 |
| 90 | NATR 50 | NATR 50 PP | 50 | 90 | 32 | 30 | 76 | 1.1 | 52000 | 108000 | 32000 | 59000 | 1300 |
| NATV 50 | NATV 50 PP | 50 | 90 | 32 | 30 | 76 | 1.1 | 72000 | 191000 | 40500 | 93000 | 1000 | |
| 軸徑 | 軸承型號 | 外形尺寸 | 額定負荷 | 極限轉速 | |||||||||||||
| BoundaryDimensions | BasicLoadRating | ||||||||||||||||
| Shaft | 內徑d | 外徑D | 擋圈高度B | 外圈高度C | d1 | rs | ris | 動載荷 | 靜載荷 | 作為支承滾輪 | Fr perm | For perm | |||||
| As yoke type track rollers | |||||||||||||||||
| Diameter | Dynamic | Static | 動 Cw | 靜 Cow | Limiting Speed | ||||||||||||
| mm | Bearing Designation | mm | min | min | N | rpm | |||||||||||
| 35 | NUTR15 | 15 | 35 | 19 | 18 | 20 | 0.6 | 0.3 | 23000 | 27000 | 16000 | 18300 | 8300 | 16400 | 6500 | ||
| 40 | NUTR17 | 17 | 40 | 21 | 20 | 22 | 1 | 0.3 | 24800 | 31000 | 18500 | 22800 | 13200 | 22800 | 5500 | ||
| 42 | NUTR1542 | 15 | 42 | 19 | 18 | 20 | 0.6 | 0.3 | 23000 | 27000 | 19400 | 23800 | 23900 | 23900 | 6500 | ||
| 47 | NUTR1747 | 17 | 47 | 21 | 20 | 22 | 1 | 0.3 | 24800 | 31000 | 21300 | 28000 | 28000 | 28000 | 5500 | ||
| NUTR20 | 20 | 47 | 25 | 24 | 27 | 1 | 0.3 | 39000 | 50000 | 28000 | 35000 | 16500 | 33000 | 4200 | |||
| 52 | NUTR2052 | 20 | 52 | 25 | 24 | 27 | 1 | 0.3 | 39000 | 50000 | 31500 | 41000 | 38500 | 41000 | 4200 | ||
| NUTR25 | 25 | 52 | 25 | 24 | 31 | 1 | 0.3 | 43500 | 60000 | 29000 | 37500 | 17300 | 34500 | 3400 | |||
| 62 | NUTR2562 | 25 | 62 | 25 | 24 | 31 | 1 | 0.3 | 43500 | 60000 | 35500 | 50000 | 50000 | 50000 | 3400 | ||
| NUTR30 | 30 | 62 | 29 | 28 | 38 | 1 | 0.3 | 59000 | 79000 | 40000 | 51000 | 23600 | 47000 | 2600 | |||
| 72 | NUTR3072 | 30 | 72 | 29 | 28 | 38 | 1 | 0.3 | 59000 | 79000 | 48000 | 65000 | 65000 | 65000 | 2600 | ||
| NUTR35 | 35 | 72 | 29 | 28 | 44 | 1.1 | 0.6 | 65000 | 93000 | 45000 | 61000 | 32000 | 61000 | 2100 | |||
| 80 | NUTR3580 | 35 | 80 | 29 | 28 | 44 | 1.1 | 0.6 | 65000 | 93000 | 51000 | 72000 | 72000 | 72000 | 2100 | ||
| NUTR40 | 40 | 80 | 32 | 30 | 51 | 1.1 | 0.6 | 90000 | 134000 | 56000 | 76000 | 30500 | 60000 | 1600 | |||
| 85 | NUTR45 | 45 | 85 | 32 | 30 | 55 | 1.1 | 0.6 | 95000 | 147000 | 56000 | 79000 | 31500 | 61000 | 1400 | ||
| 90 | NUTR4090 | 40 | 90 | 32 | 30 | 51 | 1.1 | 0.6 | 90000 | 134000 | 66000 | 96000 | 84000 | 96000 | 1600 | ||
| NUTR50 | 50 | 90 | 32 | 30 | 60 | 1.1 | 0.6 | 10000 | 161000 | 57000 | 81000 | 32000 | 63000 | 1300 | |||
| 100 | NUTR45100 | 45 | 100 | 32 | 30 | 55 | 1.1 | 0.6 | 95000 | 147000 | 72000 | 10800 | 106000 | 108000 | 1400 | ||
| 110 | NUTR50110 | 50 | 110 | 32 | 30 | 60 | 1.1 | 0.6 | 10000 | 161000 | 76000 | 121000 | 121000 | 121000 | 1300 | ||
