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NU421 Bearing — Cross Reference & Equivalents

The number NU421 is used by 6 manufacturers. Below are the equivalent model numbers with the boundary dimensions that ISO 15 fixes for this size, and a direct link to the ones we hold in stock.

6 equivalent numbers6 in stockBoundary dims per ISO 15
BOUNDARY DIMENSIONS
105 × 260 × 60
TYPE
Cylindrical Roller Bearings
EQUIVALENT NUMBERS
6
CHINESE OLD DESIGNATION
32421
BrandModelTyped × D × B (mm)Availability
SKFNU421Cylindrical Roller Bearings105 × 260 × 60In stock →
FAGNU421Cylindrical Roller Bearings105 × 260 × 60In stock →
NSKNU421Cylindrical Roller Bearings105 × 260 × 60In stock →
NTNNU421Cylindrical Roller Bearings105 × 260 × 60In stock →
KOYONU421Cylindrical Roller Bearings105 × 260 × 60In stock →
NACHINU421Cylindrical Roller Bearings105 × 260 × 60In stock →

Before you interchange

Boundary dimensions are fixed by ISO 15, so the numbers above are dimensionally interchangeable. Internal features are not: compare the suffix (seal or shield, cage, clearance class, precision grade) and the load rating before substituting, and check the required tolerance class if the position is sensitive. When in doubt, send the application and we will confirm the closest equivalent.

Related pages

All 105mm bore cylindrical roller bearings · NU series sizes · All Cylindrical Roller Bearings

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