51400 Series Thrust Ball Bearings

51400 series — 23 sizes, ISO 104 boundary dimensions with cross-brand equivalents.

Sizes in this series

Designation	Bore	Outer Ø	Height (H)	Cross-reference
51405	25 mm	60 mm	24 mm	equivalents →
51406	30 mm	70 mm	28 mm	equivalents →
51407	35 mm	80 mm	32 mm	equivalents →
51408	40 mm	90 mm	36 mm	equivalents →
51409	45 mm	100 mm	39 mm	equivalents →
51410	50 mm	110 mm	43 mm	equivalents →
51411	55 mm	120 mm	48 mm	equivalents →
51412	60 mm	130 mm	51 mm	equivalents →
51413	65 mm	140 mm	56 mm	equivalents →
51414	70 mm	150 mm	60 mm	equivalents →
51415	75 mm	160 mm	65 mm	equivalents →
51416	80 mm	170 mm	68 mm	equivalents →
51417	85 mm	180 mm	72 mm	equivalents →
51418	90 mm	190 mm	77 mm	equivalents →
51420	100 mm	210 mm	85 mm	equivalents →
51422	110 mm	230 mm	95 mm	equivalents →
51424	120 mm	250 mm	102 mm	equivalents →
51426	130 mm	270 mm	110 mm	equivalents →
51428	140 mm	280 mm	112 mm	equivalents →
51430	150 mm	300 mm	120 mm	equivalents →
51432	160 mm	320 mm	130 mm	equivalents →
51434	170 mm	340 mm	135 mm	equivalents →
51436	180 mm	360 mm	140 mm	equivalents →

Boundary-dimension reference only. Verify suffixes before substituting.