NSK NTN NJ424M Cylinder Roller Bearing
| Model No. | NJ424M |
| Quality Standard | ISO 9001:2000 Standard |
| Size | 120X310X72mm |
| Weight: | 29.8kg |
| Features | Seal :Open |
| Clearance:C2,C3,C4,C5 |
| Tolerance Rating:ABEC-1,ABEC-3,ABEC-5, |
| Vibration Rating:V1.V2.V3.V4 |
| Noise Standard:Z1,Z2,Z3,Z4 |
| Appliexcavatorion | Motors,Machine Tools,Petroleum,Mill Handling Machinery and various industrial machinery ect. |
| Technology &QC Process: | 1.Assembly 2.Windage test 3.Cleaning 4.Rotary test 5.Greasing and gland 6.Noise Inspection 7.Appearance Inspection 8.Rust Prevention 9.Product Packing |
| Packing | 1.For small ones:anti-rust oil+vacuum plastic bag+paper box+wooden box |
| | 2.For big ones:anti-rust oil+waterproof belt+professional belt+wooden box |
| | 3.According to custom's requirements |
| Payment Terms | TT L/C at sight Western Union ,paypal |
1. Ptoduct description
Single row deep groove ball bearing has two designs: open or closed seal (with seal or dust cover).Open type bearing can also install sealing parts or dust cover, the inner circle is generally grooved
High speed and durable, almost without maintenance, bearing the two-way axial load
2 . other size
| Bearing No . | Dimesions(inch) | Dimensions(mm) | weight kg | Interchange |
| d | D | B | d | D | B | | | FAG |
| MRJ 2.3/4 | 2.3/4 | 6.1/4 | 1.3/8 | 69.85 | 158.75 | 34.93 | 3.42 | CRM 22 | RMS 18 |
| MRJ 3 | 3 | 7 | 1.9/16 | 76.2 | 177.8 | 39.69 | 5 | CRM 24 | RMS 19 |
| MRJ 3.1/4 | 3.1/4 | 7.1/2 | 1.9/16 | 82.55 | 190.5 | 39.69 | 5.9 | CRM 26 | RMS 19.1/2 |
| MRJ 3.1/2 | 3.1/2 | 8.1/8 | 1.3/4 | 88.9 | 206.375 | 44.45 | 7.7 | CRM 28 | RMS 20 |
| MRJ 3.3/4 | 3.3/4 | 8.1/4 | 1.3/4 | 95.25 | 209.55 | 44.45 | 7.7 | CRM 30 | RMS 20.1/2 |
| MRJ 4 | 4 | 8.1/2 | 1.3/4 | 101.6 | 215.9 | 44.45 | 8.05 | CRM 32 | RMS 21 |
| MRJ 4.1/4 | 4.1/4 | 8.3/4 | 1.3/4 | 107.95 | 222.25 | 44.45 | 8.36 | CRM 34 | RMS 21.1/2 |
| MRJ 4.1/2 | 4.1/2 | 9.3/8 | 2 | 114.3 | 238.125 | 50.8 | 10.8 | CRM 36 | RMS 22 |
| MRJ 4.3/4 | 4.3/4 | 10 | 2 | 120.65 | 254 | 50.8 | 12.3 | CRM 38 | RMS 22.1/2 |
| MRJ 5 | 5 | 10 | 2 | 127 | 254 | 50.8 | 11.7 | CRM 40 | RMS 23 |
| MRJ 5.1/2 | 5.1/2 | 11 | 2 | 139.7 | 279.4 | 50.8 | 15.36 | CRM 44 | RMS 23.1/2 |
| MRJ 6 | 6 | 12 | 2.1/4 | 152.4 | 304.8 | 57.15 | 21.36 | CRM 48 | RMS 24 |
| MRJ 6.1/2 | 6.1/2 | 13 | 2.1/2 | 165.1 | 330.2 | 63.5 | 26.6 | CRM 52 | RMS 24.1/2 |
3 . Packaging
1 . Single box packing, then in carton then in Pallet .
2 . Standard export packing .
3 . According customer demand .
6 . Appliance :
automatic transmission mechanism, household motor , motorcycle , electric tools , sports supplies , office appliances
