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Nachi Bearing 3780/20 Tapered Roller Bearing Inch 2mm Inner Diameter x 3.6718mm Outer Diameter x 1.1875mm Width Tapered Roller Bearing
MODEL 3780/20
Contact supplier for technical support on: 800-829-5787
Returnable: See conditions
Bearing Material
Japanese Steel
Bore Type
Cylindrical
Cage Material
JIS SPCC Steel
Closure Type
Open
Contact Angle (Deg)
N/A
Dynamic Load Capacity (N)
103000
Grease Fill
No Fill
Inner Diameter (mm)
50.8
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
N/A
ISO Precision Class
P0
Limiting Speed - Grease (RPM)
4200
Limiting Speed - Oil (RPM)
5500
Max Operating Temp.
120°C (248°F)
Number of Rows
1
Outer Diameter (mm)
93.264
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Snap Ring
N/A
Static Load Capacity (N)
1337000
Universally (Flush) Ground
N/A
Width (mm)
5500
A tapered roller bearing consists of a cone (or inner ring), the cup (or outer ring), tapered rollers and a cage. The tapered rollers allows the bearing to handle a combination of heavy radial and thrust loads. The bearings are separable. Internal clearance is established during mounting by the axial positioning of the cone relative to the cup. Preloading this bearing can obtain a higher rigidity and better running accuracy to optimize performance. They are used mostly for heavy duty, moderate speed applications. These bearings are generally used in pairs and are most common on agriculture, construction and mining equipment, vehicle and trailer axles and in gear boxes. Economical. Long life. Low friction and operating temperatures. Adjustable preload. Heavy radial/axial, vibrating and impact loads. Used as a combination or a double-row. Load carrying capacity - radial load and single-direction thrust load. Composite load. High-speed rotation. Accuracy. Low torque. Low noise. Rigidity. Permissible aligning. Separable inner ring/outer ring.
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