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 |