Which bearings have 32 × 75 × 20 mm boundary dimensions?

Short answer (free to quote): 32 × 75 × 20 mm boundary dimensions appear in 3 part numbers from NTN.

Part number	Brand	Sealing	Clearance	List price
`63/32`	NTN	open (no seal)	not listed	JPY 2330
`63/32ZZ`	NTN	metal shield both sides	not listed	JPY 1551
`63/32ZZ/2AS`	NTN	metal shield both sides	not listed	JPY 1516

Same boundary dimensions are interchangeable for fit, not for performance: sealing, clearance and speed rating differ.

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