UC2 Series Insert (Mounted) Ball Bearings

UC200 series — 15 sizes, ISO 9628 boundary dimensions with cross-brand equivalents.

Sizes in this series

Designation	Bore	Outer Ø	Total Width (B)	Cross-reference
UC204	20 mm	47 mm	31 mm	equivalents →
UC205	25 mm	52 mm	34 mm	equivalents →
UC206	30 mm	62 mm	38.1 mm	equivalents →
UC207	35 mm	72 mm	42.9 mm	equivalents →
UC208	40 mm	80 mm	49.2 mm	equivalents →
UC209	45 mm	85 mm	49.2 mm	equivalents →
UC210	50 mm	90 mm	51.6 mm	equivalents →
UC211	55 mm	100 mm	55.6 mm	equivalents →
UC212	60 mm	110 mm	65.1 mm	equivalents →
UC213	65 mm	120 mm	65.1 mm	equivalents →
UC214	70 mm	125 mm	74.6 mm	equivalents →
UC215	75 mm	130 mm	77.8 mm	equivalents →
UC216	80 mm	140 mm	82.6 mm	equivalents →
UC217	85 mm	150 mm	85.7 mm	equivalents →
UC218	90 mm	160 mm	96 mm	equivalents →

Boundary-dimension reference only. Verify suffixes before substituting.