68 mm x 82 mm x 25 mm ZEN NK68/25 needle roller bearings
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What is NK68/25 bearing cross reference？
| Brand Name |
ZEN |
| Model Number |
NK68/25 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
| PDF |
NK68/25 |
Product Details
| db min. |
468 mm |
| da min. |
426 mm |
| Limiting speed |
1000 r/min |
| Basic dynamic load rating C |
4730 kN |
| Reference speed |
800 r/min |
| D |
650 mm |
| Da max. |
624 mm |
| K |
9 mm |
| Calculation factor kr |
0.34 |
| rb max. |
5 mm |
| Mass bearing |
325 kg |
| b |
16.7 mm |
| d |
400 mm |
| da max. |
456 mm |
| Design variant/feature |
NNU/W33 |
| B |
250 mm |
| ra max. |
5 mm |
| s max. |
7.5 mm |
| F |
463 mm |
| r3,4 min. |
6 mm |