Toyana NJ326 cylindrical roller bearings
| Brand Name: |
Toyana |
| Model Number: |
NJ326 |
| Bearing number: |
7034 CD/HCP4AH1 |
| Size (mm): |
260x170x42 |
| Bore Diameter (mm): |
260 |
| Outer Diameter (mm): |
170 |
| Width (mm): |
42 |
| d: |
170 mm |
| D: |
260 mm |
| B: |
42 mm |
Product Details
| Bearing number |
7034 CD/HCP4AH1 |
| 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 |
| K |
0.6 mm |
| C1 |
11.8 mm |
| r1,2 - min. |
2.1 mm |
| r3,4 - min. |
1.1 mm |
| a |
49.9 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 |
212 kN |
| Basic static load rating - C0 |
245 kN |
| Fatigue load limit - Pu |
7.1 kN |
| Limiting speed for grease lubrication |
6300 r/min |
| Limiting speed for oil lubrication |
10000 mm/min |
| Ball - Dw |
26.988 mm |
| Ball - z |
22 |
| Gref |
84 cm3 |
| Calculation factor - f0 |
15.9 |
| Preload class A - GA |
800 N |
| Preload class B - GB |
1600 N |
| Preload class C - GC |
3200 N |
| Preload class D - GD |
6400 N |
| 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 |
199 N/micron |
| Preload class B |
270 N/micron |
| Preload class C |
376 N/micron |
| Preload class D |
542 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 |
212 kN |
| Basic static load rating C0 |
245 kN |
| Fatigue load limit Pu |
7.1 kN |
| Attainable speed for grease lubrication |
6300 r/min |
| Attainable speed for oil-air lubrication |
10000 r/min |
| Ball diameter Dw |
26.988 mm |
| Number of balls z |
22 |
| Reference grease quantity Gref |
84 cm³ |
| Preload class A GA |
800 N |
| Static axial stiffness, preload class A |
199 N/µm |
| Preload class B GB |
1600 N |
| Static axial stiffness, preload class B |
270 N/µm |
| Preload class C GC |
3200 N |
| Static axial stiffness, preload class C |
376 N/µm |
| Preload class D GD |
6400 N |
| Static axial stiffness, preload class D |
542 N/µm |
| Calculation factor f |
1.14 |
| 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 |
15.9 |
| Mass bearing |
5.92 kg |