NTN 4T-A4050/A4138 Bearing

NTN 4T-A4050/A4138 bearings | 12.700x34.988x10.988mm

Also known as : A4050/A4138

  • Inside Diameter: 12.7 mm
  • Outside Diameter: 34.988 mm
  • Width: 10.988 mm
  • Basic dynamic load rating: 12.3 kN
  • Basic static load rating: 11.6 kN

Inquire Now


NTN 4T-A4050/A4138 Bearing

NTN 4T-A4050/A4138 Bearing details

Part Number 4T-A4050/A4138
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.053 kg
Boundary dimensions (mm)
Inner dia. (d) 12.7
Outer dia. (D) 34.988
Width (B) 10.988
ras max 1.3
Basic load ratings (kN)
Dynamic (Cr) 12.3
Static (Cor) 11.6
Basic load ratings (kgf)
Dynamic (Cr) 1260
Static (Cor) 1180
Limiting speed (min-1)
Grease 12000
Oil 16000
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-A4050/A4138 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.