NNU4940B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series
NNU4940B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series 240 N Preload class C GC 120 N Preload class B GB Manufacturers 480 N Preload class D GD , Online Wholesale Suppliers ! China Abec 7 Bearings Supplier
| Brand Name: |
SKF |
| Model Number: |
NNU4940B/SPC3W33 |
| Preload class C GC: |
240 N |
| Preload class B GB: |
120 N |
| Preload class D GD: |
480 N |
| Calculation factor f2B: |
1.02 |
| Db max.: |
60 mm |
| Mass bearing: |
0.13 kg |
| db min.: |
39.6 mm |
| Preload class A GA: |
60 N |
| PDF |
NNU4940B/SPC3W33 |
Product Details
| Preload class C GC |
240 N |
| Preload class B GB |
120 N |
| Preload class D GD |
480 N |
| Calculation factor f2B |
1.02 |
| Db max. |
60 mm |
| Mass bearing |
0.13 kg |
| db min. |
39.6 mm |
| Preload class A GA |
60 N |
| Calculation factor f0 |
9.7 |
| Ball diameter Dw |
7.938 mm |
| ra max. |
1 mm |
| da min. |
39.6 mm |
| Calculation factor f |
1.06 |
| r1,2 min. |
1 mm |
| Calculation factor f2C |
1.05 |
| Attainable speed for grease lubrication |
28000 r/min |
| D1 |
53.3 mm |
| Static axial stiffness, preload class D |
100 N/µm |
| Calculation factor f2D |
1.09 |
| Number of balls z |
16 |