NA291201/291751D Tapered Roller Bearing (Size: 304.8x444.5x139.7mm)
The NA291201/291751D bearing is a Tapered Roller Bearings with an inner diameter of 304.8 mm , an outer diameter of 444.5 mm, a width of 139.7 mm. It typically uses Standard grade precision tolerances and features a Steel cage, Chrome Steel rings. Its dynamic radial rated load is approximately 1550 (kN), its static radial rated load is approximately 2760 (kN). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Application: Automobile, Motor, Gear, Injection Molding Machines, Mining Machinery, Engineering Machinery, Paper Making Machinery, Wind Power Generator and so on
NA291201/291751D Tapered Roller Bearing, Double Cup and Two Single Cones, Non-Adjustable, Inch Size, High Load Capacity, High Speed, Low Friction, and Long Service Life.
Size: 304.8x444.5x139.7mm
Inside Diameter (d): 304.8mm
Outside Diameter (D): 444.5mm
Width (T): 139.7mm
Ring Material: Chrome Steel
Roller Material: Chrome Steel
Cage Material: Steel
Number of Row: 2
Working Temperature: -40°C to 120°C
Tolerance Class: Normal
HS Code: 8482500090
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Double Row Tapered Roller Bearing (TNA Type) |
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Bearing No. |
Main Dimensions (mm) |
Basic Load Ratings (kN) |
Weight |
||||
|
d |
D |
T |
C |
Cr |
Cor |
kg |
|
|
NA291201/291751D |
304.8 |
444.5 |
139.7 |
98.425 |
1550 |
2760 |
63.8 |
TNA bearings are similar to the TDO, but the inner race narrow faces are extended to abut and eliminate the need for a separate inner race spacer. Supplied with an in-built clearance to give a standard setting range, these bearings provide a solution for many fixed or floating bearing applications where simplicity of assembly is required.
Size range:
ID 25.400 mm to 1200.150 mm (1.0000 in. to 47.2500 in.)
OD 30.480 mm to 2460.000 mm (1.2000 in. to 96.8504 in.)
Tapered roller bearings are widely used in automobile, motor, gear, injection molding machines, machine tools, mining machinery, engineering machinery, motorcycles, office equipment, paper making machinery, pumps and compressors, wind power generator and so on.
All the bearings we are offering are direct factory price, fast delivery, perfect quality. For more bearings, please feel free to mail us at [email protected] or contact us by Wechat or Whatsapp at +8618062246726.
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