3302-A-2RS1 bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-27

Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018)); SKF® and SKF Explorer® are trademarks of AB SKF, used here for identification only — mpnbase is not an authorized SKF distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at skf.com.

Cross references & equivalents

Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.

How the 3302-A-2RS1 model number is decoded

3302 A-2RS1 is the capped double-row angular-contact ball bearing for a 15 mm shaft, 15×42×19 mm, greased and sealed (or shielded) for life at the SKF works. A on this double-row bearing means no filling slots, so both ball rows retain their full complement. -2RS1 marks a contact NBR elastomer seal on each side, riding the inner ring: better fine-dust and moisture protection than a shield at the cost of seal drag and a lower speed ceiling. Envelope 15×42×19 mm (0.591×1.654×0.748 in), 13.5 mm radial section height, C 15.1 kN, C0 9.3 kN, Pu 0.4 kN.SKF publishes only the 12,000 r/min limiting speed for this execution, catalogue mass 130 g. Selection figures for 3302 A-2RS1: the static-to-dynamic ratio C0/C is 0.62, Pu 0.4 kN is about 3 % of C, and catalogue mass works out to roughly 9 g per millimetre of bore. Envelope economics: the 19 mm width over a 13.5 mm section yields 1.41 mm of ring width per section millimetre, and the bearing weighs 130 g for 15.1 kN of dynamic capacity — about 9 g per rated kN. Bore-to-OD planning: OD 42 over bore 15 is a 2.80× step for this size, and the 19 mm width gives a bore/width ratio of 0.79; use these ratios when housing space around the 15 mm shaft is the first constraint. Contact-seal execution note: the two NBR -2RS1 lips ride the inner-ring lands, sealing the factory grease against moisture and fine dust; the lips add running torque and set the lower limiting speed printed for this size, and the sealed cavity is maintenance-free by design (no relubrication path). The A-2Z shielded order number is the low-drag alternative for cleaner positions.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Fit and fillet rules are unchanged from the open double-row 3302: j5 on a 15 mm rotating shaft, radii clearing the chamfer.
• The shields/seals do not make the bearing waterproof under immersion or pressure washing; select external sealing for wet or wash-down duty.
• The shields/seals do not make the bearing waterproof under immersion or pressure washing; select external sealing for wet or wash-down duty.
• The contact NBR seals add drag and a lower speed ceiling: no relubrication is provided for, so mounting cleanliness decides much of the real grease life.
• Catalogue ratings are SKF PUB BU/P1 17000 figures for 3302 A-2RS1 as the double contactsealed execution; the other order numbers of the 3302 size are different products and may carry different ratings — always quote the full designation when purchasing.