NTN 6008ZZ distributors Ball Bearings
How do you find the 72x50x12 Size (mm) NTN 6008ZZ distributors Ball Bearings specification? Industrial Bearings Solutions 72x50x12 Manufacturers 72 Bore Diameter (mm) Online Free check！
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number |
71910 ACB/HCP4AL |
| Size (mm) |
72x50x12 |
| Bore Diameter (mm) |
72 |
| Outer Diameter (mm) |
50 |
| Width (mm) |
12 |
| d |
50 mm |
| D |
72 mm |
| B |
12 mm |
| d1 |
57.95 mm |
| d2 |
56.9 mm |
| D2 |
66.04 mm |
| b |
2 mm |
| C1 |
5.9 mm |
| C2 |
2.8 mm |
| C3 |
1.7 mm |
| r1,2 - min. |
0.6 mm |
| r3,4 - min. |
0.3 mm |
| a |
23.2 mm |
| da - min. |
53.2 mm |
| db - min. |
53.2 mm |
| Da - max. |
68.8 mm |
| Db - max. |
70 mm |
| ra - max. |
0.6 mm |
| rb - max. |
0.3 mm |
| dn |
58.7 mm |
| Basic dynamic load rating - C |
7.3 kN |
| Basic static load rating - C0 |
5.8 kN |
| Fatigue load limit - Pu |
0.25 kN |
| Limiting speed for grease lubrication |
28000 r/min |
| Limiting speed for oil lubrication |
43000 mm/min |
| Ball - Dw |
4.762 mm |
| Ball - z |
29 |
| Gref |
1.89 cm3 |
| Calculation factor - e |
0.68 |
| Calculation factor - Y2 |
1.41 |
| Calculation factor - Y0 |
0.76 |
| Calculation factor - X2 |
0.67 |
| Calculation factor - Y1 |
0.92 |
| Preload class A - GA |
43 N |
| Preload class B - GB |
86 N |
| Preload class C - GC |
260 N |
| Calculation factor - f |
1.09 |
| Calculation factor - f1 |
0.99 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.02 |
| Calculation factor - f2C |
1.08 |
| Calculation factor - fHC |
1.01 |
| Preload class A |
89 N/micron |
| Preload class B |
114 N/micron |
| Preload class C |
172 N/micron |
| r1,2 min. |
0.6 mm |
| r3,4 min. |
0.3 mm |
| da min. |
53.2 mm |
| db min. |
53.2 mm |
| Da max. |
68.8 mm |
| Db max. |
70 mm |
| ra max. |
0.6 mm |
| rb max. |
0.3 mm |
| Basic dynamic load rating C |
9.75 kN |
| Basic static load rating C0 |
9.65 kN |
| Fatigue load limit Pu |
0.25 kN |
| Attainable speed for grease lubrication |
28000 r/min |
| Attainable speed for oil-air lubrication |
43000 r/min |
| Ball diameter Dw |
4.762 mm |
| Number of balls z |
29 |
| Reference grease quantity Gref |
1.89 cm³ |
| Preload class A GA |
43 N |
| Static axial stiffness, preload class A |
89 N/µm |
| Preload class B GB |
86 N |
| Static axial stiffness, preload class B |
114 N/µm |
| Preload class C GC |
260 N |
| Static axial stiffness, preload class C |
172 N/µm |
| Calculation factor f |
1.09 |
| Calculation factor f1 |
0.99 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.02 |
| Calculation factor f2C |
1.08 |
| Calculation factor fHC |
1.01 |
| Calculation factor e |
0.68 |
| Calculation factor (single, tandem) Y2 |
0.87 |
| Calculation factor (single, tandem) Y0 |
0.38 |
| Calculation factor (single, tandem) X2 |
0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 |
0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 |
1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 |
0.76 |
| Calculation factor (back-to-back, face-to-face) X2 |
0.67 |
| Mass bearing |
0.13 kg |
Company Profile
| Worktime |
9:00-18:00 pm |
| Phone |
+852(3)1591338 |