40mm x 80mm x 19.75mm NTN 30208-ntn Taper Roller Bearings
| Brand Name |
NTN |
| Model Number |
30208-ntn |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NTN 30208-ntn bearing Size Chart (mm/inches) |
|---|
| Bearing number | S7019 CD/HCP4A |
| Size (mm) | 145x95x24 |
| Bore Diameter (mm) | 145 |
| Outer Diameter (mm) | 95 |
| Width (mm) | 24 |
| d | 95 mm |
| D | 145 mm |
| B | 24 mm |
| d1 | 110.4 mm |
| d2 | 110.4 mm |
| D2 | 133.25 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 1 mm |
| a | 28.2 mm |
| da - min. | 102 mm |
| da - max. | 109.8 mm |
| db - min. | 102 mm |
| db - max. | 109.8 mm |
| Da - max. | 138 mm |
| Db - max. | 141 mm |
| ra - max. | 1.5 mm |
| rb - max. | 1 mm |
| Basic dynamic load rating - C | 81.9 kN |
| Basic static load rating - C0 | 80 kN |
| Fatigue load limit - Pu | 3.1 kN |
| Limiting speed for grease lubrication | 11000 r/min |
| Ball - Dw | 15.875 mm |
| Ball - z | 21 |
| Calculation factor - f0 | 15.7 |
| Preload class A - GA | 310 N |
| Preload class B - GB | 620 N |
| Preload class C - GC | 1240 N |
| Preload class D - GD | 2480 N |
| Calculation factor - f | 1.15 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - f2D | 1.09 |
| Calculation factor - fHC | 1.02 |
| Preload class A | 120 N/micron |
| Preload class B | 164 N/micron |
| Preload class C | 231 N/micron |
| Preload class D | 335 N/micron |
| d1 | 110.4 mm |
| d2 | 110.4 mm |
| D2 | 133.25 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1 mm |
| da min. | 102 mm |
| da max. | 109.8 mm |
| db min. | 102 mm |
| db max. | 109.8 mm |
| Da max. | 138 mm |
| Db max. | 141 mm |
| ra max. | 1.5 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 81.9 kN |
| Basic static load rating C0 | 80 kN |
| Fatigue load limit Pu | 3.1 kN |
| Attainable speed for grease lubrication | 11000 r/min |
| Ball diameter Dw | 15.875 mm |
| Number of balls z | 21 |
| Preload class A GA | 310 N |
| Static axial stiffness, preload class A | 120 N/µm |
| Preload class B GB | 620 N |
| Static axial stiffness, preload class B | 164 N/µm |
| Preload class C GC | 1240 N |
| Static axial stiffness, preload class C | 231 N/µm |
| Preload class D GD | 2480 N |
| Static axial stiffness, preload class D | 335 N/µm |
| Calculation factor f | 1.15 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.09 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 15.7 |
| Mass bearing | 1.01 kg |