4.457 Eccentric Adjustable Composite Roller Bearing
The 4.457 bearing is a Combined Bearing with an inner diameter of 40 mm , an outer diameter of 77.7 mm, a width of 40-41.5 mm. It primarily bears Axial and Radial, Its dynamic radial rated load is approximately 48 (kN), its static radial rated load is approximately 56.8 (kN). Its dynamic axial rated load is approximately 18 (kN), its static axial rated load is approximately 18 (kN). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Application: Loaders and Unloading Machines, Palletizers, Cranes and Hoists, Horizontal and Vertical Feed and Lift Units, Forklift Trucks, ASRS Systems, Shrink-Wrappers
4.457 Eccentric Adjustable Combined Roller Bearing
Outer Diameter (D) :77.7mm
Hub Diameter (T): 54mm
Inner Diameter (d): 40mm
Total Width (H): 40-41.5mm
Roller Width (S): 26mm
Rolling Element: Roller
Load Direction: Axial and Radial Direction
Working Temperature: -10 degrees C to 80 degrees C (14 degrees F to 176 degrees F)
Country of Origin: China
HS: 8482800000
|
Bearing Part No. |
Basic Dimensions (mm) |
C |
C0 |
Ca |
Coa |
Maximum RPM |
Weight (KG) |
||||||||
|
D |
T |
d |
H |
h |
B |
A |
S |
r |
kN |
kN |
kN |
kN |
|||
|
4.457 |
77.7 |
54 |
40 |
40-41.5 |
29-30.5 |
23 |
3.5-5 |
26 |
4.5 |
48 |
56.8 |
18 |
18 |
800 |
0.87 |
C = Dynamic Load Capacity for Radial Roller
C0 = Static Load Capacity for Radial Roller
Ca = Dynamic Load Capacity for Axial (Side) Roller
Coa = Static Load Capacity for Axial Roller
4.457 adjustable Combined Roller bearings have the side (axial) roller mounted on an eccentric shaft which allows for adjustment of their height.
Adjusting of the axial bearing:
1. loosen screws
2. turn eccentric axle (axial bearing will be turned)
3. check measure A (if neccessary repeat Pos.2)
4. secure screws with loctite
5. lock screws
Applications: Originally used in fork trucks. Combined roller bearings can be used in a variety of applications such as Loaders and Unloading Machines, Palletizers, Cranes and Hoists, Horizontal and Vertical Feed and Lift Units, Forklift Trucks, ASRS Systems, Shrink-Wrappers, among others.
All the bearings we are offering are direct factory price, fast delivery, perfect quality. For more bearings, please feel free to contact us by mail [email protected] or by whatsapp +8618062246726.
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