Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
N236M	180 mm	320 mm	52 mm	— N	— N	— rpm	— rpm
N234E	170 mm	310 mm	52 mm	— N	— N	— rpm	— rpm
N234M	170 mm	310 mm	52 mm	— N	— N	— rpm	— rpm
N232M	160 mm	290 mm	48 mm	— N	— N	— rpm	— rpm
N232E	160 mm	290 mm	48 mm	— N	— N	— rpm	— rpm
N230E	150 mm	270 mm	45 mm	— N	— N	— rpm	— rpm
N230M	150 mm	270 mm	45 mm	— N	— N	— rpm	— rpm
RN228M	140 mm	221 mm	42 mm	— N	— N	— rpm	— rpm
UN228EL	140 mm	250 mm	42 mm	— N	— N	— rpm	— rpm
N228Q	140 mm	250 mm	42 mm	— N	— N	— rpm	— rpm
N228M	140 mm	250 mm	42 mm	— N	— N	— rpm	— rpm
N228E	140 mm	250 mm	42 mm	— N	— N	— rpm	— rpm
N226M	130 mm	230 mm	40 mm	— N	— N	— rpm	— rpm
N226E	130 mm	230 mm	40 mm	— N	— N	— rpm	— rpm
N224M	120 mm	215 mm	40 mm	— N	— N	— rpm	— rpm