Super-Precision Cylindrical Roller Bearings
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Nn3012-K-Tn-Sp W33 Double Row Cylindrical Roller Bearing for CNC Machine Tool
Nn3012-K-Tn-Sp W33 Double Row Cylindrical Roller Bearing features a 1:12 tapered bore for adjustable radial internal clearance during mounting. Its SP precision class guarantees strict dimensional and running accuracy for demanding CNC spindles, while W33 outer ring grooves enable efficient oil distribution. We cross-reference clearance, cage, and precision parameters to guarantee exact OEM alignment before shipment.
![[WARN] draft identifier mismatch Nn3017 Tn9/Sp Double Row Cylindrical Roller Bearing for Lathe Main Shaft](https://skfus.com/wp-content/uploads/2026/10/warn-draft-identifier-mismatch-nn3017-tn9-sp-double-row-cylindrical-roller-bearing-for-lathe-main-shaft-610791-300x300.webp)
[WARN] draft identifier mismatch Nn3017 Tn9/Sp Double Row Cylindrical Roller Bearing for Lathe Main Shaft
Nn3017 Tn9/Sp Double Row Cylindrical Roller Bearing SP Precision — Features a glass fibre reinforced polyamide cage for reduced friction and high-speed capability in lathe main shafts. The SP precision class ensures tighter running accuracy for demanding machine tool spindles. Verify authenticity instantly via the official app QR verification channel for every supplied bearing.
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