Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
NUP2309M	45 mm	100 mm	36 mm	— N	— N	— rpm	— rpm
NJ2309M	45 mm	100 mm	36 mm	— N	— N	— rpm	— rpm
NJ2309	45 mm	100 mm	36 mm	— N	— N	— rpm	— rpm
NUP2308M	40 mm	90 mm	33 mm	— N	— N	— rpm	— rpm
NJ2308	40 mm	90 mm	33 mm	— N	— N	— rpm	— rpm
NUP2307M	35 mm	80 mm	31 mm	— N	— N	— rpm	— rpm
NJ2307M	35 mm	80 mm	31 mm	— N	— N	— rpm	— rpm
NJ2307	35 mm	80 mm	31 mm	— N	— N	— rpm	— rpm
NJ2306E/YB2	30 mm	72 mm	27 mm	— N	— N	— rpm	— rpm
NJ2305M/RO1	25 mm	62 mm	24 mm	— N	— N	— rpm	— rpm
NJ2305E/YB2	25 mm	62 mm	24 mm	— N	— N	— rpm	— rpm
NU2272EM	360 mm	650 mm	170 mm	— N	— N	— rpm	— rpm
NU2252M	260 mm	480 mm	130 mm	— N	— N	— rpm	— rpm
NU2244M	220 mm	400 mm	108 mm	— N	— N	— rpm	— rpm
NU2240M	190 mm	340 mm	92 mm	— N	— N	— rpm	— rpm