NTN 7309BDB Angular Contact Ball Bearings
LET OUR JiNan Hope Hydraulic Co., Itd NTN 7309BDB Angular Contact Ball Bearings EXPERTS GET YOU THE 28.575x12.7x7.938 PARTS YOU NEED.
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | D/W R8 R-2RZ |
| Size (mm) | 28.575x12.7x7.938 |
| Bore Diameter (mm) | 28,575 |
| Outer Diameter (mm) | 12,7 |
| Width (mm) | 7,938 |
| d | 12.7 mm |
| D | 28.575 mm |
| B | 7.938 mm |
| d2 | 16 mm |
| D2 | 25.15 mm |
| D3 | 31.12 mm |
| C | 1.575 mm |
| r1,2 - min. | 0.4 mm |
| da - min. | 15.5 mm |
| ra - max. | 0.4 mm |
| Basic dynamic load rating - C | 4.4 kN |
| Basic static load rating - C0 | 2.4 kN |
| Fatigue load limit - Pu | 0.102 kN |
| Reference speed | 60000 r/min |
| Limiting speed | 30000 r/min |
| Calculation factor - kr | 0.03 |
| Calculation factor - f0 | 13.2 |
| d2 ≈ | 16 mm |
| D2 ≈ | 25.15 mm |
| r1,2 min. | 0.4 mm |
| da min. | 15 mm |
| da max. | 15.5 mm |
| ra max. | 0.4 mm |
| Basic dynamic load rating C | 4.42 kN |
| Basic static load rating C0 | 2.36 kN |
| Fatigue load limit Pu | 0.102 kN |
| Calculation factor kr | 0.03 |
| Calculation factor f0 | 13.2 |
| Mass bearing | 0.022 kg |
Company Profile
| Worktime |
9:00-18:00(Beijing time) |
| Phone |
0531-8299 9953 |
