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51309 Thrust Ball Bearing 45x85x28mm

51309 Thrust Ball Bearing 45x85x28mm


Specifications
Inner Diameter (ID)
45
Outer Diameter (OD)
85
Width (W)
28
Overall Size (IDxODxW)
45x85x28
Dynamic Load Rating
76.1 kN
Static Load Rating
153 kN
Reference Speed
2 800 rpm
Limiting Speed
4 000 rpm
Cage Material
Sheet Metal
Seal Type
None On Both Sides
Clearance
CN
Precision
Grade 0
Operating Temperature
-40 °C to +120 °C
Mass
0.66 kg
Details

Thrust ball bearings are essential components designed to efficiently support axial loads along the shaft's axis. Characterized by a compact two-piece construction, these bearings consist of washers and balls held together by a cage, with options for single or double-direction designs. The bearings excel in space efficiency, making them suitable for applications with limited room. Their versatility accommodates axial loads in one or both directions, providing stability and adaptability. Thrust ball bearings are known for their high-speed capability, precision, and extended service life, attributed to reduced friction. This feature-rich design, combined with material options such as chrome steel or ceramics, ensures reliability and durability across a broad spectrum of industrial applications, including automotive transmissions, industrial machinery, and aerospace systems. 


SPECIFICATIONS
 
 
Inner Diameter 45 mm Number of Rows Single Row
Outer Diameter 85 mm Cage Material Sheet Metal
Width 28 mm Seal Type None On Both Sides
Dynamic Load Rating 76.1 kN Clearance CN
Static Load Rating 153 kN Precision Grade 0
Fatigue Load Limit 5.6 kN Min Temperature -40 °C
Reference Speed 2 800 rpm Max Temperature +120 °C
Limiting Speed 4 000 rpm Size Standard Metric System
Rolling Element Ball Mass 0.66 kg


FEATURES AND BENEFITS


  • Low friction

  • Efficient axial load support

  • High load-carrying capacity

  • Single and double direction options

Yes, miniature ball bearings are designed to handle high rotational speeds, making them ideal for devices and equipment that require rapid movement.

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