39521 Bearing Cup Fits NTN
39521 Bearing Cup Fits NTN
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One New Aftermarket Replacement 39521 Bearing Cup for NTN Tapered Roller Bearings
This aftermarket replacement 39521 bearing cup is the outer ring (cup/race) of a single-row tapered roller bearing in the inch-series 39500 line. The cup pairs with a separately purchased cone (inner ring assembly) to form a complete tapered roller bearing capable of handling combined radial and axial loads. Common applications include axle systems, differentials, transmissions, and wheel-end assemblies on agricultural, construction, and industrial equipment.
Specifications
- Type: Single tapered roller bearing cup (outer ring)
- Series: 39500 (Inch Series)
- Outside Diameter (D): 4.4375 in (112.713 mm)
- Cup Width (W): 0.9375 in (23.8125 mm)
- Fillet Radius: 0.03 in
- Construction: Single cup
- Lubrication Hole: None
- Material: Fits Case carburized steel
- Finish: Uncoated
Compatible Cones (Sold Separately)
This cup is used with cones including: 39578, 39580, 39581, 39585A, 39590A. Always pair with a matching cone from the same manufacturer for best results.
Replaces Part Number(s):
39521
Aftermarket Interchange Numbers
Timken 39521, SKF BR39521, BCA NB39521, National 39521, KOYO 39521, NSK 39521, FAG 39521, NACHI 39521, NTN 4T-39521
New aftermarket replacement part - not remanufactured, not used.



