Needle Roller Bearings category illustration

Engineering reference only. Category illustration; verify the offered drawing, source designation and quotation before ordering.

Needle Roller Bearings · HK reference

HK1512 Drawn Cup Needle Roller Bearing

This HK reference has no inner ring. Fw denotes the roller-inscribed diameter, not an inner-ring bore; C denotes cup width, not radial bearing width B. Review the mating shaft and housing drawing.

Fw 15 mm · D 21 mm · C 12 mm

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Structure and designation

What this reference describes

This HK reference has no inner ring. Fw denotes the roller-inscribed diameter, not an inner-ring bore; C denotes cup width, not radial bearing width B. Review the mating shaft and housing drawing.

This drawn cup has no inner ring. Fw is the roller-inscribed diameter; C is cup width. Neither is an inner-ring bore or radial B width.

Family-specific dimensions

HK1512 bearing dimensions

This drawn cup has no inner ring. Fw is the roller-inscribed diameter; C is cup width. Neither is an inner-ring bore or radial B width. Values are source-published millimetre references unless identified as a structural field.

FwRoller inscribed diameter15 mm

DOutside diameter21 mm

CCup width12 mm

—Inner ring presentNo

Model	Fw — Roller inscribed diameter	D — Outside diameter	C — Cup width	— — Inner ring present
HK1512	15 mm	21 mm	12 mm	No

Model-specific review

Interpret this model's dimensions

Compared with HK1612, cup width is unchanged while both the roller-inscribed diameter and outside diameter are smaller. Review the mating shaft and cup seat as two separate dimensions.

Specification boundary

Confirm the offered configuration

These values describe the cited engineering reference. They do not verify LTO-specific load ratings, speed limits, material, precision, clearance, seals, application suitability or interchangeability. Provide the complete designation, quantity, drawing and operating conditions for quotation review.

Source transparency

Technical reference and provenance

Reference publisher NTN; designation HK1512. Source checked 2026-09-21. Reference data alone do not establish the exact supplied configuration.

Model	HK1512
Bearing family	Needle Roller Bearings
Dimension schema	needle_drawn_cup_no_inner
Source document	NTN Needle Roller Bearings catalogue
Reference designation	HK1512
Supply review	Sourcing, production coordination and quotation support; actual configuration confirmed per offer.

DIMENSION SOURCENTN — NTN Needle Roller Bearings catalogueEngineering reference only. This source identifies data, not LTO manufacturing status or brand authorization.

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Sourcing and quotation

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