Detailed description
The grade of our 51220M bearing is P6. Accuracy requirements are performed in accordance with international standards.
Heat treatment is by Bainite isothermal quenching
The following is the introduction of various parameters of 51220M:
The following are the parameters of our peripheral products:
Our company can produce various grades of international standard cylindrical roller bearings. If you want to know more details of the bearings, please email me
The following is the introduction of various parameters of 51220M:
| Model: 51220M | Old model:8220 |
| Inside Diameter:100mm | Bearing Material: Gcr15 |
| Outside Diameter:150mm | Clearance:C0 |
| Thickness/Width:38mm | Precision Rating:P5 |
| Cr:147 kN | Structure:Cylindrical roller |
| Cor:410 kN | Number of Rows:single row |
| Load Direction:Radial + axial | Cage:Cu |
| Reference speed (Grease rpm):1200 r/min | Balls Material:Cu |
| Limiting speed (Oil rpm):1900 r/min | Quality Control:ISO492 |
| Feature:high speed | Weight:2.36KG |
| Transport Package:Carton-carton-wooden box | Number of Balls:20 |
| Shipping Ways:Boat / air / courier | Port:Qingdao |
| Heat treatment:Bainite isothermal quenching | Raceway treatment: fine grinding |
| Non-standard / OEM: according to customer requirements | Vibration:Z |
The following are the parameters of our peripheral products:
| Model | Inside Diameter(mm) | Outside Diameter(mm) | Thickness/Width(mm) | Cr | Cor | Grease lubrication speed | Oil lubrication speed |
| 51226 | 130mm | 190mm | 45mm | 203 kN | 622 kN | 970 r/min | 1500 r/min |
| 51226M | 130mm | 190mm | 45mm | 203 kN | 622 kN | 970 r/min | 1500 r/min |
| 51228 | 140mm | 200mm | 46mm | 215 kN | 669 kN | 940 r/min | 1450 r/min |
| 51228M | 140mm | 200mm | 46mm | 215 kN | 669 kN | 940 r/min | 1450 r/min |
| 51230 | 150mm | 215mm | 50mm | 244 KN | 768 KN | 840 r/min | 1300 r/min |
| 51230M | 150mm | 215mm | 50mm | 244 KN | 768 KN | 840 r/min | 1300 r/min |
Our company can produce various grades of international standard cylindrical roller bearings. If you want to know more details of the bearings, please email me








