Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
RN311E	55 mm	106.5 mm	29 mm	— N	— N	— rpm	— rpm
N311EL	55 mm	120 mm	29 mm	— N	— N	— rpm	— rpm
N310ETN1/Z2	50 mm	110 mm	27 mm	— N	— N	— rpm	— rpm
N307	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
N304M	20 mm	52 mm	15 mm	— N	— N	— rpm	— rpm
1322K+H322	100 mm	240 mm	50 mm	- N	- N	- rpm	- rpm
1320K+H320	90 mm	215 mm	47 mm	- N	- N	- rpm	- rpm
1319K+H319	85 mm	200 mm	45 mm	- N	- N	- rpm	- rpm
1318K+H318	80 mm	190 mm	43 mm	- N	- N	- rpm	- rpm
NF222ETN1	110 mm	200 mm	38 mm	— N	— N	— rpm	— rpm
1317K+H317	75 mm	180 mm	41 mm	- N	- N	- rpm	- rpm
1316K+H316	70 mm	170 mm	39 mm	- N	- N	- rpm	- rpm
1315K+H315	65 mm	160 mm	37 mm	- N	- N	- rpm	- rpm
1313K+H313	60 mm	150 mm	33 mm	- N	- N	- rpm	- rpm
N211M	55 mm	100 mm	21 mm	— N	— N	— rpm	— rpm