NSK UK 609Z Ball Bearings
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
| PDF |
|
Product Details
| Bearing number |
71808 ACD/HCP4 |
| Size (mm) |
52x40x7 |
| Bore Diameter (mm) |
52 |
| Outer Diameter (mm) |
40 |
| Width (mm) |
7 |
| d |
40 mm |
| D |
52 mm |
| B |
7 mm |
| d1 |
44.1 mm |
| d2 |
44.1 mm |
| D1 |
48.1 mm |
| r1,2 - min. |
0.3 mm |
| r3,4 - min. |
0.15 mm |
| a |
14.3 mm |
| da - min. |
42 mm |
| db - min. |
42 mm |
| Da - max. |
50 mm |
| Db - max. |
51.2 mm |
| ra - max. |
0.3 mm |
| rb - max. |
0.15 mm |
| dn |
44.5 mm |
| Basic dynamic load rating - C |
4.5 kN |
| Basic static load rating - C0 |
4.6 kN |
| Fatigue load limit - Pu |
0.196 kN |
| Limiting speed for grease lubrication |
28000 r/min |
| Limiting speed for oil lubrication |
43000 mm/min |
| Ball - Dw |
3.175 mm |
| Ball - z |
29 |
| Gref |
0.31 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 |
40 N |
| Preload class B - GB |
120 N |
| Preload class C - GC |
240 N |
| Calculation factor - f |
1.23 |
| Calculation factor - f1 |
0.97 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.09 |
| Calculation factor - f2C |
1.17 |
| Calculation factor - fHC |
1.02 |
| Preload class A |
93 N/micron |
| Preload class B |
145 N/micron |
| Preload class C |
197 N/micron |
| r1,2 min. |
0.3 mm |
| r3,4 min. |
0.15 mm |
| da min. |
42 mm |
| db min. |
42 mm |
| Da max. |
50 mm |
| Db max. |
51.2 mm |
| ra max. |
0.3 mm |
| rb max. |
0.15 mm |
| Basic dynamic load rating C |
4.49 kN |
| Basic static load rating C0 |
4.55 kN |
| Fatigue load limit Pu |
0.196 kN |
| Attainable speed for grease lubrication |
28000 r/min |
| Attainable speed for oil-air lubrication |
43000 r/min |
| Ball diameter Dw |
3.175 mm |
| Number of balls z |
29 |
| Reference grease quantity Gref |
0.31 cm³ |
| Preload class A GA |
40 N |
| Static axial stiffness, preload class A |
93 N/µm |
| Preload class B GB |
120 N |
| Static axial stiffness, preload class B |
145 N/µm |
| Preload class C GC |
240 N |
| Static axial stiffness, preload class C |
197 N/µm |
| Calculation factor f |
1.23 |
| Calculation factor f1 |
0.97 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.09 |
| Calculation factor f2C |
1.17 |
| Calculation factor fHC |
1.02 |
| 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 |
0.029 kg |
Company Profile
| Worktime |
З понеділка по п'ятницю: з 9:00 до 18:00 |
| Phone |
00(65) 6258 1688 |