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產品分類
RU(CRBF)系列交叉滾子軸承由于已進行了安裝孔的加工，就不需要固定法蘭和支撐座。另外，由于采用帶座的的一體化內外環結構，安裝對性能幾乎沒有影響，因此能夠獲得穩定的旋轉精度和扭矩，能用于外環和內環旋轉。
RU(CRBF)系列交叉滾子軸承特點
1、高精度
P2/P4級精度，旋轉跳動精確至0.001mm
2、高穩定
嚴格控制熱處理工藝，多次回火應力釋放，穩定性高
3、高剛性
RU(CRBF)系列交叉滾子軸承獨特十字交叉滾子設計，承受各向載荷能力強
4、高效率
RU(CRBF)系列交叉滾子軸承嚴格根據國外標準生產，互換性強，可替代
RU(CRBF)系列交叉滾子軸承型號參數表
|
軸徑
shaft
diameter
(mm)
|
型號ModeInumber | 主要尺寸Main dimensions (mm) |
靠肩尺寸
Shoulder height
|
基本額定負荷（徑向）
Basic load rating(radial)
|
重量
weight
|
|||||||
| THK | IKO |
內徑
lnner ring
d
(mm)
|
外徑
Outer ring
(mm)
|
滾子節
圓直徑
dp
|
寬度
width
B B1
|
倒角
r(min)
|
ds
(mm)
|
Dh
(mm)
|
C
kN
|
Co
kN
|
Kg | |
| 20 | RU42 | CRBF2012AT | 20 | 70 | 41.5 | 12 | 0.6 | 37 | 47 | 7.35 | 8.35 | 0.29 |
| 35 | RU66 | CRBF3515AT | 35 | 95 | 66 | 15 | 0.6 | 59 | 74 | 17.5 | 22.3 | 0.62 |
| 55 | RU85 | CRBF5515AT | 55 | 120 | 85 | 15 | 0.6 | 79 | 93 | 20.3 | 29.5 | 1 |
| 80 | RU124G/RU124 | CRBF8022AD/CRBF8022A | 80 | 165 | 124 | 22 | 1 | 114 | 134 | 33.1 | 50.9 | 2.6 |
| RU124X | CRBF8022AT | |||||||||||
| 90 | RU148G/RU148 | / | 90 | 210 | 147.5 | 25 | 1.5 | 133 | 162 | 49.1 | 76.8 | 4.9 |
| RU148X | / | |||||||||||
| 115 | RU178G/RU178 | / | 115 | 240 | 178 | 28 | 1.5 | 161 | 195 | 80.3 | 135 | 6.8 |
| RU178X | / | |||||||||||
| 160 | RU228G/RU228 | / | 160 | 295 | 227.5 | 35 | 2 | 208 | 246 | 104 | 172 | 11.4 |
| RU228X | / | |||||||||||
| 210 | RU297G/RU297 | / | 210 | 380 | 297.3 | 40 | 2.5 | 272 | 320 | 156 | 281 | 21.3 |
| RU297X | / | |||||||||||
| 350 | RU445G/RU445 | / | 350 | 540 | 445.4 | 45 | 2.5 | 417 | 473 | 222 | 473 | 35.4 |
| RU445X | / | |||||||||||
|
軸徑
shaft
diameter
(mm)
|
型號 ModeInumber | 安裝孔尺寸Relation between the mounting holes (mm) | ||||
| 內圈inner ring | 外圈outer ring | |||||
| THK | IKO | PCD1 | 安裝孔mounting holes | PCD2 | 安裝孔mounting holes | |
| 20 | RU42 | CRBF2012AT | 28 | 6-M3貫通 6-M3 through | 57 |
6-Φ3.4貫通，Φ6.5襯孔深度3.3
6-Φ3.4 through，Φ6.5 counterbore depth 3.3
|
| 35 | RU66 | CRBF3515AT | 45 | 8-M4貫通 8-M4 through | 83 |
8-Φ4.5貫通，Φ8襯孔深度4.4
8-Φ4.5 through，Φ8 counterbore depth 4.4
|
| 55 | RU85 | CRBF5515AT | 65 | 8-M5貫通 8-M5 through | 105 |
8-Φ5.5貫通，Φ9.5襯孔深度5.4
8-Φ5.5 through，Φ9.5 counterbore depth 5.4
|
| 80 | RU124G/RU124 |
CRBF8022AD
CRBF8022A
|
97 |
10-Φ5.5貫通，Φ9.5襯孔深度5.4
10-Φ5.5 through，Φ9.5 counterbore depth 5.4
|
148 |
10-Φ5.5貫通，Φ9.5襯孔深度5.4
10-Φ5.5 through，Φ9.5 counterbore depth 5.4
|
| RU124X | CRBF8022AT | 10-M5貫通 10-M5 through | ||||
| 90 | RU148G/RU148 | / | 112 |
12-Φ9貫通,Φ14襯孔深度8.6
12-Φ9 through，Φ14 counterbore depth 8.6
|
187 |
12-Φ9貫通，Φ14襯孔深度8.6
12-Φ9through，Φ14 counterbore depth 8.6
|
| RU148X | / | 12-M8貫通 12-M8 through | ||||
| 115 | RU178G/RU178 | / | 139 |
12-Φ9貫通，Φ14襯孔深度8.6
12-Φ9 through，Φ14 counterbore depth 8.6
|
217 |
12-Φ9貫通，Φ14襯孔深度8.6
12-Φ9 through，Φ14 counterbore depth 8.6
|
| RU178X | / | 12-M8貫通 12-M8 through | ||||
| 160 | RU228G/RU228 | / | 184 |
12-Φ11貫通，Φ17.5襯孔深度10.8
12-Φ11 through，Φ17.5 counterbore depth 10.8
|
270 |
12-Φ11貫通，Φ17.5襯孔深度10.8
12-Φ11 through，Φ17.5 counterbore depth 10.8
|
| RU228X | / | 12-M10貫通 12-M10 through | ||||
| 210 | RU297G/RU297 | / | 240 | 16-Φ14貫通，Φ20襯孔深度1316-Φ14 through，Φ20 counterbore depth 13 | 350 |
16-Φ14貫通，Φ20襯孔深度13
16-Φ14 through，Φ20 counterbore depth 13
|
| RU297X | / | 16-M12貫通 16-M12 through | ||||
| 350 | RU445G/RU445 | / | 385 |
24-Φ14貫通，Φ20襯孔深度13
24-Φ14 through，Φ20 counterbore depth 13
|
505 |
24-Φ14貫通,Φ20襯孔深度13
24-Φ14 through，Φ20 counterbore depth 13
|
| RU445X | / | 24-M12貫通 24-M12 through | ||||
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