Self Aligning Ball Bearings 2309 C/2
| Brand Name |
CONSOLIDATED BEARING |
| Model Number |
2309 C/2 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
CONSOLIDATED BEARING 2309 C/2 bearing Size Chart (mm/inches) |
|---|
| Bearing number | NRT 260 B |
| Size (mm) | 260x385x55 |
| Bore Diameter (mm) | 260 |
| Outer Diameter (mm) | 385 |
| Width (mm) | 55 |
| d | 260 mm |
| D | 385 mm |
| H | 55 mm |
| d1 | 345 mm |
| C | 18 mm |
| H1 | 36.5 mm |
| J | 280 mm |
| J1 | 365 mm |
| H | 9.3 mm |
| N1 | 15 mm |
| N2 | 9.3 mm |
| a | 8.2 mm |
| r1 - min. | 0.6 mm |
| r2 - min. | 0.6 mm |
| Basic dynamic load rating, radial direction - C | 108 kN |
| Basic static load rating, radial direction - C0 | 355 kN |
| Basic dynamic load rating, axial direction - C | 95 kN |
| Basic static load rating, axial direction - C0 | 780 kN |
| Limiting speed for grease lubrication | 130 r/min |
| Limiting speed for oil lubrication | 260 mm/min |
| Axial Preload | 7.3 N |
| Axial unloading force | 16 kN |
| Frictional moment - CRL | 25 N·m |
| axial stiffness | 14.7 N/micron |
| radial stiffness | 8.3 N/micron |
| Moment stiffness | 153000 kN·m/mrad |
| Mass bearing | 18.2 kg |
| Guideline diameter | 630 mm |
| Size - G | M12 |
| Number of bolts | 3 |
| Angle between bolts | 120 ° |
| Size bolts | M8 |
| Pitch - &alfa; | 10 ° |
| Number of bolts | 33 |
| Number of bolts omitted at removal thread position | 3, 120° apart |
| Size bolts | M8 |
| Pitch - &alfa; | 10 ° |
| Number of bolts | 34 |
| Number of bolts omitted at retaining bolts position | 2, 180° apart |
| Tightening torque | 34 N·m |
| Size | M8 |
| d1 | 345 mm |
| H1 | 36.5 mm |
| J1 | 365 mm |
| N | 9.3 mm |
| N1 | 15 mm |
| N2 | 9.3 mm |
| r1 min. | 0.6 mm |
| r2 min. | 0.6 mm |
| Basic dynamic load rating - radial direction C | 108 kN |
| Basic static load rating - radial direction C0 | 355 kN |
| Basic dynamic load rating - axial direction C | 95 kN |
| Basic static load rating - axial direction C0 | 780 kN |
| Attainable speed for grease lubrication | 130 r/min |
| Attainable speed for oil-air lubrication | 260 r/min |
| Axial preload | 7.3 kN |
| Frictional moment CRL | 25 N·m |
| Axial stiffness | 14.7 kN/µm |
| Radial stiffness | 8.3 kN/µm |
| Guideline rotary table diameter | 630 mm |
| Size G | M12 |
| Number of threads | 3 |
| Angle between threads | 120 ° |
| Bolt size | M8 |
| Pitch α | 10 ° |
| Tightening torque (Bolt grade 10.9) | 34 N·m |
| Bolt size | M8 |
| Pitch α | 10 ° |