Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
NU309M	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
NU309L	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
NU309ETN1	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
NU309	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
N309ETN/Z2	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
N309M/Z2	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
N309/Z2	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
N309M	45 mm	100 mm	24 mm	— N	— N	— rpm	— rpm
N309L	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
N309ETN1	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
N309	45 mm	100 mm	25 mm	— N	— N	— rpm	— rpm
RNU308M	53.5 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
NUP308NV/R01	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
NUP308EN	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
NUP308ETN1	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm