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NJ321E Bearing — Cross Reference & Equivalents

The number NJ321E is used by 4 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.

4 equivalent numbers4 in stockBoundary dims per ISO 15
BOUNDARY DIMENSIONS
105 × 225 × 49
TYPE
Cylindrical Roller Bearings
EQUIVALENT NUMBERS
4
CHINESE OLD DESIGNATION
42321 E
BrandModelTyped × D × B (mm)Availability
SKFNJ321ECCylindrical Roller Bearings105 × 225 × 49In stock →
NSKNJ321EMCylindrical Roller Bearings105 × 225 × 49In stock →
KOYONJ321ECylindrical Roller Bearings105 × 225 × 49In stock →
ANDGENJ321ECylindrical Roller Bearings105 × 225 × 49In 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 · NJ series sizes · All Cylindrical Roller Bearings

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