needle roller bearing sleeve NA4904M JNS
NEEDLE ROLLER BEARING are a few brands you will find in our inventory. Kevin Global Machinery Parts Company Find needle roller bearing sleeve NA4904M JNS to see what's 50x72x12 in stock! 50 Bore Diameter (mm)
| Bearing number: | S71910 ACB/P4A |
| Size (mm): | 50x72x12 |
| Bore Diameter (mm): | 50 |
| Outer Diameter (mm): | 72 |
| Width (mm): | 12 |
| d: | 50 mm |
| D: | 72 mm |
| B: | 12 mm |
Product Details
| Bearing number | S71910 ACB/P4A |
| Size (mm) | 50x72x12 |
| Bore Diameter (mm) | 50 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 12 |
| d | 50 mm |
| D | 72 mm |
| B | 12 mm |
| C | 12 mm |
| d1 | 57.95 mm |
| d2 | 56.9 mm |
| r1 min. | 0,6 mm |
| r2 min. | 0,6 mm |
| r3 min. | 0,3 mm |
| r4 min. | 0,3 mm |
| D1 | 66 mm |
| D2 | 66.04 mm |
| da min. | 53.2 mm |
| Da max. | 68.8 mm |
| db min | 53,2 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| dh | 58,7 mm |
| Db max | 70 mm |
| Weight | 0,13 Kg |
| Basic dynamic load rating (C) | 7,28 kN |
| Basic static load rating (C0) | 5,85 kN |
| (Grease) Lubrication Speed | 22 000 r/min |
| (Oil) Lubrication Speed | 36 000 r/min |
| Fatigue load limit (Pu) | 0,25 |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| a | 23.2 mm |
| da max. | 57.4 mm |
| db min. | 53.2 mm |
| db max. | 56.3 mm |
| Db max. | 70 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 | 22000 r/min |
| Ball diameter Dw | 4.762 mm |
| Number of balls z | 29 |
| Preload class A GA | 43 N |
| Static axial stiffness, preload class A | 79 N/µm |
| Preload class B GB | 86 N |
| Static axial stiffness, preload class B | 102 N/µm |
| Preload class C GC | 260 N |
| Static axial stiffness, preload class C | 155 N/µm |
| Calculation factor f | 1.09 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.07 |
| Calculation factor fHC | 1 |
| 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 | 0.14 kg |
Company Profile
| Worktime |
9.00-18.00 |
| Phone |
65-63204785 |
