CRB70045 Crossed Roller Bearing 700x815x45mm
Manufacturers of all Mining machinery bearing are represented in our partial list of clients. Contact Gary Bearing Wholesalers for a complete CRB70045 Crossed Roller Bearing 700x815x45mm list of clients 72x50x12 and projects.
| Bearing number: |
71910 ACD/HCP4A |
| Size (mm): |
72x50x12 |
| Bore Diameter (mm): |
72 |
| Outer Diameter (mm): |
50 |
| Width (mm): |
12 |
| d: |
50 mm |
| D: |
72 mm |
| B: |
12 mm |
| PDF |
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Product Details
| Bearing number |
71910 ACD/HCP4A |
| Size (mm) |
72x50x12 |
| Bore Diameter (mm) |
72 |
| Outer Diameter (mm) |
50 |
| Width (mm) |
12 |
| d |
50 mm |
| D |
72 mm |
| B |
12 mm |
| d1 |
57.1 mm |
| d2 |
57.1 mm |
| D1 |
64.9 mm |
| r1,2 - min. |
0.6 mm |
| r3,4 - min. |
0.3 mm |
| a |
20.3 mm |
| da - min. |
53.2 mm |
| db - min. |
53.2 mm |
| Da - max. |
68.8 mm |
| Db - max. |
70.6 mm |
| ra - max. |
0.6 mm |
| rb - max. |
0.3 mm |
| dn |
58.7 mm |
| Basic dynamic load rating - C |
12.7 kN |
| Basic static load rating - C0 |
9.8 kN |
| Fatigue load limit - Pu |
0.415 kN |
| Limiting speed for grease lubrication |
19000 r/min |
| Limiting speed for oil lubrication |
30000 mm/min |
| Ball - Dw |
6.35 mm |
| Ball - z |
25 |
| Gref |
1.74 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 |
80 N |
| Preload class B - GB |
160 N |
| Preload class C - GC |
320 N |
| Preload class D - GD |
640 N |
| Calculation factor - f |
1.13 |
| Calculation factor - f1 |
0.98 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.07 |
| Calculation factor - f2C |
1.12 |
| Calculation factor - f2D |
1.17 |
| Calculation factor - fHC |
1.04 |
| Preload class A |
117 N/micron |
| Preload class B |
152 N/micron |
| Preload class C |
200 N/micron |
| Preload class D |
266 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. |
70.6 mm |
| ra max. |
0.6 mm |
| rb max. |
0.3 mm |
| Basic dynamic load rating C |
12.7 kN |
| Basic static load rating C0 |
9.8 kN |
| Fatigue load limit Pu |
0.415 kN |
| Attainable speed for grease lubrication |
19000 r/min |
| Attainable speed for oil-air lubrication |
30000 r/min |
| Ball diameter Dw |
6.35 mm |
| Number of balls z |
25 |
| Reference grease quantity Gref |
1.74 cm³ |
| Preload class A GA |
80 N |
| Static axial stiffness, preload class A |
117 N/µm |
| Preload class B GB |
160 N |
| Static axial stiffness, preload class B |
152 N/µm |
| Preload class C GC |
320 N |
| Static axial stiffness, preload class C |
200 N/µm |
| Preload class D GD |
640 N |
| Static axial stiffness, preload class D |
266 N/µm |
| Calculation factor f |
1.13 |
| Calculation factor f1 |
0.98 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.07 |
| Calculation factor f2C |
1.12 |
| Calculation factor f2D |
1.17 |
| Calculation factor fHC |
1.04 |
| 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 |
0.12 kg |
Company Profile
| Worktime |
9: 00-18: 00 (بتوقيت بكين) |
| Phone |
+6531591338 |
| Fax |
+6531591338 |