7,729 parts and counting

NTN 3975/3920: bore d 2.0000 in, outside diameter D 4.4375 in, width W 1.1875 in, drawn to scaled 2.0000 inD 4.4375 inW 1.1875 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 3975/3920 inch tapered roller bearing

NTN 3975/3920 inch tapered roller bearing: bore d 2.0000 in (50.800 mm), outside diameter D 4.4375 in (112.712 mm), width 1.1875 in (30.162 mm).

Inch tapered roller bearings · All NTN part numbers

Rendering of a tapered roller bearing with the outer cup separated from the cone and its ring of tapered rollers
A typical inch tapered roller bearing — not necessarily this part. Photo: “Tapered-roller-bearing din720 ex” by Silberwolf, CC BY 2.5, via Wikimedia Commons (resized).

Specifications

Bore d2.0000 in (50.800 mm)
Outside diameter D4.4375 in (112.712 mm)
Width1.1875 in (30.162 mm)
Basic dynamic load rating Cr125.00 kN
Basic static load rating C0r187.00 kN

All specifications: Verified printed in NTN’s own product listing

Related parts

Sources