QJ2 Series Four-Point Contact Ball Bearings

QJ200 series — 16 sizes, ISO 15 boundary dimensions with cross-brand equivalents.

Sizes in this series

Designation	Bore	Outer Ø	Width (B)	Cross-reference
QJ203	17 mm	40 mm	12 mm	equivalents →
QJ205	25 mm	52 mm	15 mm	equivalents →
QJ206	30 mm	62 mm	16 mm	equivalents →
QJ207	35 mm	72 mm	17 mm	equivalents →
QJ208	40 mm	80 mm	18 mm	equivalents →
QJ209	45 mm	85 mm	19 mm	equivalents →
QJ210	50 mm	90 mm	20 mm	equivalents →
QJ211	55 mm	100 mm	21 mm	equivalents →
QJ212	60 mm	110 mm	22 mm	equivalents →
QJ213	65 mm	120 mm	23 mm	equivalents →
QJ214	70 mm	125 mm	24 mm	equivalents →
QJ215	75 mm	130 mm	25 mm	equivalents →
QJ216	80 mm	140 mm	26 mm	equivalents →
QJ217	85 mm	150 mm	28 mm	equivalents →
QJ218	90 mm	160 mm	30 mm	equivalents →
QJ236	180 mm	320 mm	52 mm	equivalents →

Boundary-dimension reference only. Verify suffixes before substituting.