Deep groove ball bearings are the most widely used and high-yield category of rolling bearings. Their structure is simple and compact, and they can withstand both radial and bidirectional axial loads simultaneously. They have the core advantages of high speed, low noise, and easy maintenance, and are known as the key components of industrial transmission systems; Universal Transmission Foundation” , covering full scene adaptation from micro electronic devices to large industrial machinery
| Part Number | d - Bore | D - Outer Diameter | B - Width | Cr - Dynamic Radial Rating | Cor - Static Radial Rating | Grease lubrication | Oil lubrication |
|---|---|---|---|---|---|---|---|
| 635-2RU | 5 mm | 19 mm | 6 mm | 2.6 N | 1.05 N | 35000 rpm | 43000 rpm |
| 625-2RU | 5 mm | 16 mm | 5 mm | 1.75 N | 0.67 N | 40000 rpm | 49000 rpm |
| 619/5-2RU | 5 mm | 13 mm | 4 mm | 1.3 N | 0.49 N | 50000 rpm | 60000 rpm |
| 619/4-2RU | 4 mm | 11 mm | 4 mm | 0.96 N | 0.35 N | 54000 rpm | 65000 rpm |
| W638/9-2Z | 9 mm | 17 mm | 5 mm | 1.35 N | 0.66 N | 39000 rpm | 49000 rpm |
| W638/8-2Z | 8 mm | 16 mm | 4 mm | 1.06 N | 0.71 N | 42000 rpm | 50000 rpm |
| WML8014-2Z | 8 mm | 14 mm | 4 mm | 0.87 N | 0.42 N | 44000 rpm | 52000 rpm |
| WML8012-2Z | 8 mm | 12 mm | 3.5 mm | 0.44 N | 0.25 N | 47000 rpm | 55000 rpm |
| ML7022-2Z | 7 mm | 22 mm | 8 mm | 3.3 N | 1.35 N | 34000 rpm | 41000 rpm |
| W638/7-2Z | 7 mm | 14 mm | 5 mm | 1.15 N | 0.51 N | 45000 rpm | 54000 rpm |
| WML7013-2Z | 7 mm | 13 mm | 4 mm | 0.82 N | 0.38 N | 47000 rpm | 55000 rpm |
| WML7011-2ZX | 7 mm | 11 mm | 3 mm | 0.43 N | 0.23 N | 49000 rpm | 59000 rpm |
| ML6019-2Z | 6 mm | 19 mm | 8 mm | 2.6 N | 1.05 N | 40000 rpm | 47000 rpm |
| W638/6-2Z | 6 mm | 13 mm | 5 mm | 1.1 N | 0.44 N | 48000 rpm | 57000 rpm |
| WML6012-2Z | 6 mm | 12 mm | 4 mm | 0.83 N | 0.37 N | 49000 rpm | 59000 rpm |