NTN 4T-A4050/A4138 Bearing

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

Also known as : 4T-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

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NTN 4T-A4050/A4138 Bearing

NTN 4T-A4050/A4138 Bearing details

Boundary dimensions (mm) Basic load ratings
(kN)
Basic load ratings
(kgf)
Limiting speed
(min-1)
Mass
(kg)
<approx.>
Inner dia. (d) Outer dia. (D) Width (B) Chamfer (rs_min) Dynamic (Cr) Static (Cor) Dynamic (Cr) Static (Cor) Grease Oil
12.7  34.988  10.988    12.3  11.6  1260  1180  12000  16000  0.053 
Abutment and fillet dimensions
(mm)
da
min
da
max
Da
min
Da
max
Dx
<approx.>
Cy
max
Cz
min
ras
max
rnas
max
              1.3   
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.

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