NTN 4T-2788/2720

NTN 4T-2788/2720 Tapered roller bearing

Also known as : 4T-2788/2720

  • Inside Diameter: 38.1 mm
  • Outside Diameter: 76.2 mm
  • Width: 25.654 mm
  • Basic dynamic load rating: 73 kN
  • Basic static load rating: 90.5 kN

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NTN 4T-2788/2720

NTN 4T-2788/2720 details

Part Number 4T-2788/2720
Brand NTN
Type Tapered roller bearings
Inch series
Mass 0.497 kg
Boundary dimensions (mm)
Inner dia. (d) 38.1
Outer dia. (D) 76.2
Width (B) 25.654
ras max 3.5
Basic load ratings (kN)
Dynamic (Cr) 73
Static (Cor) 90.5
Basic load ratings (kgf)
Dynamic (Cr) 7450
Static (Cor) 9200
Limiting speed (min-1)
Grease 5100
Oil 6800
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-2788/2720 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-2788/2720 bearing cross reference

68450R/68709R
38.1 mmx 76.2 mmx 25.654 mm
H414245/H414210
38.1 mmx 76.2 mmx 25.654 mm
387/382A
38.1 mmx 76.2 mmx 25.654 mm
HM88630R/HM88610R
38.1 mmx 76.2 mmx 25.654 mm
02473R/02420R
38.1 mmx 76.2 mmx 25.654 mm
23100R/23256R
38.1 mmx 76.2 mmx 25.654 mm
387-384ED
38.1 mmx 76.2 mmx 25.654 mm
389-384DRB
38.1 mmx 76.2 mmx 25.654 mm
EE132083-132126D
38.1 mmx 76.2 mmx 25.654 mm
42362D - 42586
38.1 mmx 76.2 mmx 25.654 mm
L357049-L357019-B
38.1 mmx 76.2 mmx 25.654 mm
EE291175-291750-B
38.1 mmx 76.2 mmx 25.654 mm
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