NTN 1R80X90X25V1 Roller Bearings
| Bearing number: |
71901 ACE/HCP4A |
| Size (mm): |
24x12x6 |
| Bore Diameter (mm): |
24 |
| Outer Diameter (mm): |
12 |
| Width (mm): |
6 |
| d: |
12 mm |
| D: |
24 mm |
| B: |
6 mm |
| PDF |
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Product Details
| Bearing number |
71901 ACE/HCP4A |
| Size (mm) |
24x12x6 |
| Bore Diameter (mm) |
24 |
| Outer Diameter (mm) |
12 |
| Width (mm) |
6 |
| d |
12 mm |
| D |
24 mm |
| B |
6 mm |
| d1 |
16 mm |
| d2 |
15.26 mm |
| D1 |
19.95 mm |
| r1,2 - min. |
0.3 mm |
| r3,4 - min. |
0.15 mm |
| a |
7.7 mm |
| da - min. |
14 mm |
| db - min. |
14 mm |
| Da - max. |
22 mm |
| Db - max. |
23.2 mm |
| ra - max. |
0.3 mm |
| rb - max. |
0.15 mm |
| dn |
16.8 mm |
| Basic dynamic load rating - C |
2 kN |
| Basic static load rating - C0 |
0.865 kN |
| Fatigue load limit - Pu |
0.036 kN |
| Limiting speed for grease lubrication |
98000 r/min |
| Limiting speed for oil lubrication |
150000 mm/min |
| Ball - Dw |
3.175 mm |
| Ball - z |
12 |
| Gref |
0.1 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 |
18 N |
| Preload class B - GB |
55 N |
| Preload class C - GC |
110 N |
| Calculation factor - f |
1.04 |
| Calculation factor - f1 |
0.98 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.04 |
| Calculation factor - f2C |
1.08 |
| Calculation factor - fHC |
1.01 |
| Preload class A |
30 N/micron |
| Preload class B |
45 N/micron |
| Preload class C |
59 N/micron |
| r1,2 min. |
0.3 mm |
| r3,4 min. |
0.15 mm |
| da min. |
14 mm |
| db min. |
14 mm |
| Da max. |
22 mm |
| Db max. |
23.2 mm |
| ra max. |
0.3 mm |
| rb max. |
0.15 mm |
| Basic dynamic load rating C |
2.03 kN |
| Basic static load rating C0 |
0.865 kN |
| Fatigue load limit Pu |
0.036 kN |
| Attainable speed for grease lubrication |
98000 r/min |
| Attainable speed for oil-air lubrication |
150000 r/min |
| Ball diameter Dw |
3.175 mm |
| Number of balls z |
12 |
| Reference grease quantity Gref |
0.1 cm³ |
| Preload class A GA |
18 N |
| Static axial stiffness, preload class A |
30 N/µm |
| Preload class B GB |
55 N |
| Static axial stiffness, preload class B |
45 N/µm |
| Preload class C GC |
110 N |
| Static axial stiffness, preload class C |
59 N/µm |
| Calculation factor f |
1.04 |
| Calculation factor f1 |
0.98 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.04 |
| Calculation factor f2C |
1.08 |
| Calculation factor fHC |
1.01 |
| 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 |
0.009 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |