Toyana NJ2203 E cylindrical roller bearings
What are the dimensions of a 260 Bore Diameter (mm) Toyana NJ2203 E cylindrical roller bearings? Manufacturing Service . Get Your 260x170x42 Size (mm) Free, Instant 170 Outer Diameter (mm) Quote！
| Size (mm) | 260x170x42 |
| Bore Diameter (mm) | 260 |
| Outer Diameter (mm) | 170 |
| Width (mm) | 42 |
| d | 170 mm |
| D | 260 mm |
| B | 42 mm |
| d1 | 198.7 mm |
| d2 | 198.7 mm |
| D1 | 231.3 mm |
| b | 2.8 mm |
| C1 | 23.8 mm |
| C2 | 7.1 mm |
| C3 | 7.1 mm |
| r1,2 – min. | 2.1 mm |
| r3,4 – min. | 1.1 mm |
| a | 71.4 mm |
| da – min. | 181 mm |
| db – min. | 181 mm |
| Da – max. | 249 mm |
| Db – max. | 254 mm |
| ra – max. | 2 mm |
| rb – max. | 1 mm |
| dn | 205.8 mm |
| Basic dynamic load rating – C | 199 kN |
| Basic static load rating – C0 | 232 kN |
| Fatigue load limit – Pu | 6.7 kN |
| Limiting speed for grease lubrication | 4800 r/min |
| Limiting speed for oil lubrication | 7000 mm/min |
| Ball – Dw | 26.988 mm |
| Ball – z | 22 |
| Gref | 84 cm3 |
| Calculation factor – e | 0.68 |
| Calculation factor – Y2 | 1.41 |
| Calculation factor – Y0 | 0.76 |
| Calculation factor – X2 | 0.67 |
| Calculation factor – Y1 | 0.92 |
| Preload class A – GA | 1250 N |
| Preload class B – GB | 2500 N |
| Preload class C – GC | 5000 N |
| Preload class D – GD | 10000 N |
| Calculation factor – f | 1.14 |
| Calculation factor – f1 | 0.99 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.02 |
| Calculation factor – f2C | 1.05 |
| Calculation factor – f2D | 1.08 |
| Calculation factor – fHC | 1 |
| Preload class A | 433 N/micron |
| Preload class B | 563 N/micron |
| Preload class C | 744 N/micron |
| Preload class D | 1003 N/micron |
| r1,2 min. | 2.1 mm |
| r3,4 min. | 1.1 mm |
| da min. | 181 mm |
| db min. | 181 mm |
| Da max. | 249 mm |
| Db max. | 254 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 199 kN |
| Basic static load rating C0 | 232 kN |
| Fatigue load limit Pu | 6.7 kN |
| Attainable speed for grease lubrication | 4800 r/min |
| Attainable speed for oil-air lubrication | 7000 r/min |
| Ball diameter Dw | 26.988 mm |
| Number of balls z | 22 |
| Reference grease quantity Gref | 84 cm³ |
| Preload class A GA | 1250 N |
| Static axial stiffness, preload class A | 433 N/µm |
| Preload class B GB | 2500 N |
| Static axial stiffness, preload class B | 563 N/µm |
| Preload class C GC | 5000 N |
| Static axial stiffness, preload class C | 744 N/µm |
| Preload class D GD | 10000 N |
| Static axial stiffness, preload class D | 1003 N/µm |
| Calculation factor f | 1.14 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.08 |
| 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 | 6.99 kg |
Detailed Parameters
parameter：
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