Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
N309/Z2	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309E/Z1	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309EF1	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309EM	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309ETN1	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309ETN1/Z1	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309L1	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309M/Z	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N309M/Z1	45 mm	100 mm	25 mm	- N	- N	- rpm	- rpm
N310/Z1	50 mm	110 mm	27 mm	- N	- N	- rpm	- rpm
N310/Z2	50 mm	110 mm	27 mm	- N	- N	- rpm	- rpm
N310E/Z1	50 mm	110 mm	27 mm	- N	- N	- rpm	- rpm
N310EF	50 mm	110 mm	27 mm	- N	- N	- rpm	- rpm
N310EM	50 mm	110 mm	27 mm	- N	- N	- rpm	- rpm
N311/C2	55 mm	120 mm	29 mm	- N	- N	- rpm	- rpm