NNU4934 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4934 |
| Bearing number: |
678AZZ |
| Size (mm): |
8x12x3.5 |
| Bore Diameter (mm): |
8 |
| Outer Diameter (mm): |
12 |
| Width (mm): |
3,5 |
| d: |
8 mm |
| D: |
12 mm |
| B: |
3,5 mm |
| PDF |
NNU4934 |
Product Details
| Bearing number |
678AZZ |
| Size (mm) |
8x12x3.5 |
| Bore Diameter (mm) |
8 |
| Outer Diameter (mm) |
12 |
| Width (mm) |
3,5 |
| d |
8 mm |
| D |
12 mm |
| B |
3,5 mm |
| C |
3,5 mm |
| r min. |
0,1 mm |
| da min. |
8,8 mm |
| da max |
9,1 mm |
| Da max. |
11,2 mm |
| ra max. |
0,1 mm |
| Weight |
0,86 Kg |
| Basic dynamic load rating (C) |
0,515 kN |
| Basic static load rating (C0) |
0,252 kN |
| (Grease) Lubrication Speed |
38 000 r/min |