NNU Cylindrical bore - JTEKT Corporation(Koyo)

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		LINA Nomenclature	SERIES ⁿ/ₐ	SD Inside Diameter [mm]	D Outside Diameter [mm]	B Bearing Width [mm]	R Radius [mm]	ORDER Bearing No. ⁿ/ₐ	CR Basic dynamic load rating [kN]	COR Basic static load rating [kN]	CU Fatigue limit load [kN]	NG Limiting speeds (Grease) [rpm]	NO Limiting speeds (Oil) [rpm]

		NNU4920	CC	100	140	40	1.1	NNU4920	139	258	32.9	4000	4800
		NNU4921	CC	105	145	40	1.1	NNU4921	196	306	40.2	3900	4600
		NNU4922	CC	110	150	40	1.1	NNU4922	163	326	42.4	3700	4500
		NNU4924	CC	120	165	45	1.1	NNU4924	187	373	47.6	3400	4000
		NNU4926	CC	130	180	50	1.5	NNU4926	216	428	50.2	3100	3700
		NNU4928	CC	140	190	50	1.5	NNU4928	222	456	52.5	2900	3500
		NNU4930	CC	150	210	60	2.0	NNU4930	343	692	80.7	2600	3100
		NNU4932	CC	160	220	60	2.0	NNU4932	340	695	79.8	2500	3000
		NNU4934	CC	170	230	60	2.0	NNU4934	361	763	86.4	2300	2800
		NNU4936	CC	180	250	69	2.0	NNU4936	572	964	117	2100	2600
		NNU4938	CC	190	260	69	2.0	NNU4938	465	996	119	2000	2400
		NNU4940	CC	200	280	80	2.1	NNU4940	509	1 050	125	1900	2300
		NNU4944	CC	220	300	80	2.1	NNU4944	561	1 220	145	1700	2000
		NNU4948	CC	240	320	80	2.1	NNU4948	588	1 340	155	1600	1900
		NNU4952	CC	260	360	100	2.1	NNU4952	941	2 050	228	1400	1700
		NNU4956	CC	280	380	100	2.1	NNU4956	976	2 200	239	1300	1500
		NNU4960	CC	300	420	118	3.0	NNU4960	1 170	2 720	285	1100	1300
		NNU4964	CC	320	440	118	3.0	NNU4964	1530	2750	286	1100	1300
		NNU4968	CC	340	460	118	3.0	NNU4968	1 270	2 930	301	990	1200
		NNU4972	CC	360	480	118	3.0	NNU4972	1 340	3 050	314	920	1100
		NNU4984	CC	420	560	140	4.0	NNU4984	1 670	4 290	413	730	880
		NNU4988	CC	440	600	160	4.0	NNU4988	2 060	5 000	477	660	800
		NNU4992	CC	460	620	160	4.0	NNU4992	2 250	5 440	516	630	760
		NNU49/560	CC	560	750	190	5.0	NNU49/560	3 190	7 940	714	450	540
		NNU49/600	CC	600	800	200	5.0	NNU49/600	3 500	8 630	762	400	480

Informations supplémentaires

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03 - front flange

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28028 - Screw plugs

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33190 - Fixed centres

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09060 - Magnets permanent for workholding with fine pole division

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09070 - Magnets with counterbore (shallow pot magnets) hard ferrite

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28000 - Oil level gauges

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28040 - Vent screws brass

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