LUOYANG MONTON BEARING SCIENCE & TECHNOLOGY CO.,LTD.
LUOYANG MONTON BEARING SCIENCE & TECHNOLOGY CO.,LTD. CHINA BEARING LEADER!
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| bearing type | Dimensions | fixing holes | ||||||||||||
| d | D | H | H1 | C | D1 | J | J1 | inner ring | outer ring | |||||
| unit: mm | d1 | d2 | a | qty | d3 | qty | ||||||||
| mm | mm | |||||||||||||
| YRT50 | 50 | 126 | 30 | 20 | 10 | 105 | 63 | 116 | 5.6 | — | — | 10 | 5.6 | 12 |
| bearing type | Number of retaining screws | Extraction thread hole | Number of pitches X angle of pitches | Screw tightening torque | Basic load rating | Limiting speed | Bearing frictional torque | weight | ||||
| axial | radial | |||||||||||
| dynamic load | static load | dynamic load | static load | |||||||||
| MA2) | Ｃａ | Coa | Cr | Cor | grease | |||||||
| G | qty | qty×t | Ｎｍ | KN | r/min | Nm | Kg | |||||
| YRT50 | 2 | — | — | 12×30° | 8.5 | 38 | 158 | 28.5 | 49.5 | 440 | 2.5 | 1.6 |
| Machining tolerances for shafts | |||||||
| Bearings | shaft diameter (mm) | roundness(○) | perpendicularity(⊥) | parallelism(∥) | roughness Ra | ||
| Nominal dimension | upper | lower | t1(µm) | t3(µm) | t4(µm) | Ra(µm) | |
| YRT50 | 50 | 0 | -0.011 | 4 | 3 | 3 | 0.4 |
| Machining tolerances for housings | |||||||
| Bearings | (mm)housing diameter | roundness(○) | perpendicularity(⊥) | parallelism(∥) | roughness Ra | ||
| Nominal dimension | upper | lower | t1(µm) | t3(µm) | t4(µm) | Ra(µm) | |
| YRT50 | 126 | +0.018 | -0.007 | 8 | 5 | 5 | 0.8 |