NTN 4T-1985/1930

NTN 4T-1985/1930 Tapered roller bearing

Also known as : 4T-1985/1930

  • Inside Diameter: 28.575 mm
  • Outside Diameter: 56.896 mm
  • Width: 19.355 mm
  • Basic dynamic load rating: 40.5 kN
  • Basic static load rating: 44.5 kN

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NTN 4T-1985/1930

NTN 4T-1985/1930 details

Part Number 4T-1985/1930
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.217 kg
Boundary dimensions (mm)
Inner dia. (d) 28.575
Outer dia. (D) 56.896
Width (B) 19.355
ras max 0.8
Basic load ratings (kN)
Dynamic (Cr) 40.5
Static (Cor) 44.5
Basic load ratings (kgf)
Dynamic (Cr) 4150
Static (Cor) 4550
Limiting speed (min-1)
Grease 6700
Oil 8900
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.”

Xinyouya have NTN 4T-1985/1930 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.

NTN 4T-1985/1930 bearing cross reference

68450R/68709R
28.575 mmx 56.896 mmx 19.355 mm
H414245/H414210
28.575 mmx 56.896 mmx 19.355 mm
387/382A
28.575 mmx 56.896 mmx 19.355 mm
HM88630R/HM88610R
28.575 mmx 56.896 mmx 19.355 mm
02473R/02420R
28.575 mmx 56.896 mmx 19.355 mm
23100R/23256R
28.575 mmx 56.896 mmx 19.355 mm
387-384ED
28.575 mmx 56.896 mmx 19.355 mm
389-384DRB
28.575 mmx 56.896 mmx 19.355 mm
EE132083-132126D
28.575 mmx 56.896 mmx 19.355 mm
42362D - 42586
28.575 mmx 56.896 mmx 19.355 mm
L357049-L357019-B
28.575 mmx 56.896 mmx 19.355 mm
EE291175-291750-B
28.575 mmx 56.896 mmx 19.355 mm
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