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 |
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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 |