6300 Series Bearings

6300 series (heavy) — 14 sizes, ISO 15 boundary dimensions with cross-brand equivalents.

Sizes in this series

Designation	Bore	Outer Ø	Width	Cross-reference
6300	10 mm	35 mm	11 mm	equivalents →
6301	12 mm	37 mm	12 mm	equivalents →
6302	15 mm	42 mm	13 mm	equivalents →
6303	17 mm	47 mm	14 mm	equivalents →
6304	20 mm	52 mm	15 mm	equivalents →
6305	25 mm	62 mm	17 mm	equivalents →
6306	30 mm	72 mm	19 mm	equivalents →
6307	35 mm	80 mm	21 mm	equivalents →
6308	40 mm	90 mm	23 mm	equivalents →
6309	45 mm	100 mm	25 mm	equivalents →
6310	50 mm	110 mm	27 mm	equivalents →
6311	55 mm	120 mm	29 mm	equivalents →
6312	60 mm	130 mm	31 mm	equivalents →
6313	65 mm	140 mm	33 mm	equivalents →

Boundary-dimension reference only. Verify suffixes before substituting.