TIMKEN 48290-90028 services Tapered Roller Bearing Assemblies
| Brand Name |
TIMKEN 48290-90028 services Tapered Roller Bearing Assemblies |
| Model Number |
48290-90028 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
| PDF |
48290-90028 |
Product Details
| Bearing number |
71808 CD/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 |
9.7 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 |
4.9 kN |
| Basic static load rating - C0 |
4.9 kN |
| Fatigue load limit - Pu |
0.208 kN |
| Limiting speed for grease lubrication |
30000 r/min |
| Limiting speed for oil lubrication |
45000 mm/min |
| Ball - Dw |
3.175 mm |
| Ball - z |
29 |
| Gref |
0.31 cm3 |
| Calculation factor - f0 |
17.2 |
| Preload class A - GA |
26 N |
| Preload class B - GB |
78 N |
| Preload class C - GC |
155 N |
| Calculation factor - f |
1 |
| Calculation factor - f2A |
1 |
| Calculation factor - f2B |
1.1 |
| Calculation factor - f2C |
1.18 |
| Calculation factor - fHC |
1.02 |
| Preload class A |
40 N/micron |
| Preload class B |
68 N/micron |
| Preload class C |
100 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 |
4.88 kN |
| Basic static load rating C0 |
4.9 kN |
| Fatigue load limit Pu |
0.208 kN |
| Attainable speed for grease lubrication |
30000 r/min |
| Attainable speed for oil-air lubrication |
45000 r/min |
| Ball diameter Dw |
3.175 mm |
| Number of balls z |
29 |
| Reference grease quantity Gref |
0.31 cm³ |
| Preload class A GA |
26 N |
| Static axial stiffness, preload class A |
40 N/µm |
| Preload class B GB |
78 N |
| Static axial stiffness, preload class B |
68 N/µm |
| Preload class C GC |
155 N |
| Static axial stiffness, preload class C |
100 N/µm |
| Calculation factor f |
1.23 |
| Calculation factor f1 |
1 |
| Calculation factor f2A |
1 |
| Calculation factor f2B |
1.1 |
| Calculation factor f2C |
1.18 |
| Calculation factor fHC |
1.02 |
| Calculation factor f0 |
17.2 |
| Mass bearing |
0.029 kg |
Company Profile
| Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
| Phone |
(65) 8257 8518 |
| Fax |
(65) 6258 7399 |