NTN 1307KC3 distributors Ball Bearings
NTN 1307KC3 distributors Ball Bearings manufacturer and global supplier of 250x180x33 Size (mm) reliable ball and roller ... NTN 1307KC3 distributors Ball Bearings Industries Products Manufacturing & Engineering and Agricultural Industrial Bearings Solutions Bearings designed to meet 250x180x33 the unique requirements of our targeted industries.
Product Details
| Bearing number | 71936 CD/HCP4A |
| Size (mm) | 250x180x33 |
| Bore Diameter (mm) | 250 |
| Outer Diameter (mm) | 180 |
| Width (mm) | 33 |
| d | 180 mm |
| D | 250 mm |
| B | 33 mm |
| d1 | 201.6 mm |
| d2 | 201.6 mm |
| D1 | 228.4 mm |
| r1,2 - min. | 2 mm |
| r3,4 - min. | 1 mm |
| a | 45.4 mm |
| da - min. | 189 mm |
| db - min. | 189 mm |
| Da - max. | 241 mm |
| Db - max. | 245 mm |
| ra - max. | 2 mm |
| rb - max. | 1 mm |
| dn | 207.4 mm |
| Basic dynamic load rating - C | 168 kN |
| Basic static load rating - C0 | 212 kN |
| Fatigue load limit - Pu | 6.1 kN |
| Limiting speed for grease lubrication | 6700 r/min |
| Limiting speed for oil lubrication | 9500 mm/min |
| Ball - Dw | 22.225 mm |
| Ball - z | 27 |
| Gref | 54 cm3 |
| Calculation factor - f0 | 16.3 |
| Preload class A - GA | 630 N |
| Preload class B - GB | 1260 N |
| Preload class C - GC | 2520 N |
| Preload class D - GD | 5040 N |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.07 |
| Calculation factor - f2C | 1.12 |
| Calculation factor - f2D | 1.18 |
| Calculation factor - fHC | 1.04 |
| Preload class A | 203 N/micron |
| Preload class B | 278 N/micron |
| Preload class C | 392 N/micron |
| Preload class D | 573 N/micron |
| r1,2 min. | 2 mm |
| r3,4 min. | 1 mm |
| da min. | 189 mm |
| db min. | 189 mm |
| Da max. | 241 mm |
| Db max. | 245 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 168 kN |
| Basic static load rating C0 | 212 kN |
| Fatigue load limit Pu | 6.1 kN |
| Attainable speed for grease lubrication | 6700 r/min |
| Attainable speed for oil-air lubrication | 9500 r/min |
| Ball diameter Dw | 22.225 mm |
| Number of balls z | 27 |
| Reference grease quantity Gref | 54 cm³ |
| Preload class A GA | 630 N |
| Static axial stiffness, preload class A | 203 N/µm |
| Preload class B GB | 1260 N |
| Static axial stiffness, preload class B | 278 N/µm |
| Preload class C GC | 2520 N |
| Static axial stiffness, preload class C | 392 N/µm |
| Preload class D GD | 5040 N |
| Static axial stiffness, preload class D | 573 N/µm |
| Calculation factor f | 1.25 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.07 |
| Calculation factor f2C | 1.12 |
| Calculation factor f2D | 1.18 |
| Calculation factor fHC | 1.04 |
| Calculation factor f0 | 16.3 |
| Mass bearing | 3.48 kg |