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 |