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 |