RNA49 Series Needle Roller Bearings

RNA49 series — 14 sizes, ISO 1206 boundary dimensions with cross-brand equivalents.

Sizes in this series

Designation	Bore	Outer Ø	Width (B)	Cross-reference
RNA4900	14 mm	22 mm	13 mm	equivalents →
RNA4901	16 mm	24 mm	13 mm	equivalents →
RNA4902	20 mm	28 mm	13 mm	equivalents →
RNA4903	22 mm	30 mm	13 mm	equivalents →
RNA4908	48 mm	62 mm	22 mm	equivalents →
RNA4909	52 mm	68 mm	22 mm	equivalents →
RNA4910	58 mm	72 mm	22 mm	equivalents →
RNA4911	63 mm	80 mm	25 mm	equivalents →
RNA4913	72 mm	90 mm	25 mm	equivalents →
RNA4920	115 mm	140 mm	40 mm	equivalents →
RNA4922	125 mm	150 mm	40 mm	equivalents →
RNA4924	135 mm	165 mm	45 mm	equivalents →
RNA4926	150 mm	180 mm	50 mm	equivalents →
RNA4928	160 mm	190 mm	50 mm	equivalents →

Boundary-dimension reference only. Verify suffixes before substituting.