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NTN 4T-21075/21212++ Bearing

NTN 4T-21075/21212++ bearings | 19.050x53.975x21.839mm

Also known as : 21075/21212

  • Inside Diameter: 19.05 mm
  • Outside Diameter: 53.975 mm
  • Width: 21.839 mm
  • Basic dynamic load rating: 40 kN
  • Basic static load rating: 39 kN

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NTN 4T-21075/21212++ Bearing

NTN 4T-21075/21212++ Bearing details

Part Number 4T-21075/21212++
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.248 kg
Boundary dimensions (mm)
Inner dia. (d) 19.05
Outer dia. (D) 53.975
Width (B) 21.839
ras max 1.5
Basic load ratings (kN)
Dynamic (Cr) 40
Static (Cor) 39
Basic load ratings (kgf)
Dynamic (Cr) 4100
Static (Cor) 3950
Limiting speed (min-1)
Grease 8000
Oil 11000
As for the maximum value for inner and outer ring diameters of bearings whose bearing numbers are marked with "+" (inner ring) and "++" (outer ring), the precision class is an integer for class 4 and class 2 bearings only. Bearings with a # symbol next to the serial number are J-series bearings, and have a different tolerance to other series. For more details, see “Bearing Tolerance” listed in the “NTN ‘Ball and Roller Bearings’ Catalog.”

Nodes have NTN 4T-21075/21212++ bearings in stock. Tapered roller bearings (Inch series), are designed so the inner and outer ring raceway and the apex of the tapered rollers intersect at one point on the bearing centerline.

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