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Speed, load, permissible temperature selection and bearing lubrication of precision machine tool bearings, bearing the rise of TIMKEN type and the related conditions etc.. Characteristics of grease lubricant is strong adhesion, easy to use, simple maintenance, no need to add more often and for lubricant. But the friction than oil lubrication at. Grease TIMKEN bearings is the most commonly used in mineral oil as base oil grease, for high-speed precision bearing can also be barium complex grease to synthetic grease lubrication oil as base oil with. TIMKEN bearings should not be too much grease filling, otherwise, fat because the stirring heating melting, deterioration and loss of lubrication. Filling grease amount bearing should be based on the bearing type, size and speed determine.
For high speed precision machine tool bearings according to the recommended speed TIMKEN bearing to fill the bearing internal free space of 15% ~ 25%. Grease lubrication bearing must be running in the early stage, after the running-in, excessive grease is forced into the bearing raceway, the grease in the bearing uniform distribution, and can guarantee the normal work in the TIMKEN bearing temperature minimum. Running from the low speed (half as maximum speed), and then improve the speed when the stable temperature, until the maximum speed to reach the bearing and temperature stability.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7328BDF NSK | 140 | 300 | 62 |
| 7328ADF NSK | 140 | 300 | 62 |