NTN 495A Tapered Roller Bearings
| Bearing number: | 684 |
| Size (mm): | 4x9x2.5 |
| Bore Diameter (mm): | 4 |
| Outer Diameter (mm): | 9 |
| Width (mm): | 2,5 |
| d: | 4 mm |
| D: | 9 mm |
| B: | 2,5 mm |
| PDF |
|
Product Details
| Bearing number | 684 |
| Size (mm) | 4x9x2.5 |
| Bore Diameter (mm) | 4 |
| Outer Diameter (mm) | 9 |
| Width (mm) | 2,5 |
| d | 4 mm |
| D | 9 mm |
| B | 2,5 mm |
| C | 2,5 mm |
| r min. | 0,15 mm |
| r1 min. | 0,15 mm |
| da min. | 5,2 mm |
| Da max. | 7,8 mm |
| ra max. | 0,1 mm |
| Weight | 0,0006 Kg |
| Basic dynamic load rating (C) | 0,64 kN |
| Basic static load rating (C0) | 0,23 kN |
| (Grease) Lubrication Speed | 59000 r/min |
| (Oil) Lubrication Speed | 70000 r/min |
| Bearing No. | 684 |
| r(min) | 0.15 |
| Cr | 0.800 |
| C0r | 0.23 |
| Cu | 0.006 |
| f0 | 12.8 |
| Grease lub. | 59000 |
| Oil lub. | 70000 |
| da(min) | 5.2 |
| Da(max) | 7.8 |
| ra(max) | 0.1 |
| (Refer.)Mass(g) | 0.6 |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
