Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
N308MZ2	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
N308M	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
N308ETN1	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
N308	40 mm	90 mm	23 mm	— N	— N	— rpm	— rpm
RN307M	35 mm	68.2 mm	21 mm	— N	— N	— rpm	— rpm
RN307	35 mm	68.2 mm	21 mm	— N	— N	— rpm	— rpm
NF307ETN1	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
NF307E	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
NF307M	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
NF307E/YB2	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
N307ETN1	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
N307M	35 mm	80 mm	21 mm	— N	— N	— rpm	— rpm
RN306M	30 mm	62 mm	19 mm	— N	— N	— rpm	— rpm
RN306	30 mm	62 mm	19 mm	— N	— N	— rpm	— rpm
NF306ETN1	30 mm	72 mm	19 mm	— N	— N	— rpm	— rpm