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Single-row cylindrical roller bearing (standard series) bore 20-480 mm

Single-row cylindrical roller bearing (standard series) bore 20-480 mm

Single-row cylindrical roller bearings (standard series)

Single-row cylindrical roller bearing (standard series) bore 20-480 mm

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Overall dimensions（mm)							Rated load(KN)		Rated speed min^-1		Bearing code						Installation dimensions(mm)										Weight(kg)
d	D	B	γ(minimum)	γ₁(minimum)	F_W	E_W	C_r	C_or	Grease lubrication	Oil lubrication		NU type	NJ type	NUP type	N type	NF type	d_a（minimum）	D_b(minimum)	d_b(maximum）	d_c(minimum）	d_d(minimum）	d_a(maximum）	d_b(maximum）	D_b(minimum)	γ_a（maximum）	γ_b(maximum）	(Reference)
320	480	74	4	4	360	440	905	1470	1200	1400	NU 1064	NU	—	—	N	NF	336	336	356	365	—	464	464	444	3	3	46.1
320	440	72	3	3	352	408	755	1470	—	—	NU 2964	NU	—	—	—	—	340	—	340	—	—	418	—	418	25	2.5	33.5
320	440	56	3	3	352	408	580	1050	—	—	NU 1964	NU	—	—	—	—	340	—	340	—	—	418	—	418	25	2.5	25.7
300	540	192	5	5	365	—	2490	4350	—	—	NU 3260	NU	—	—	—	—	—	—	327	—	—	509	—	—	4	4	198
300	540	85	5	5	364	—	1400	2070	1100	1300	N 260	NU	NJ	—	—	—	320	320	358	368	391	520	—	—	4	4	89.2
300	460	74	4	4	340	420	885	1400	1300	1500	NU 1060	NU	NJ	NU	N	NF	316	316	336	344	—	444	444	424	3	3	43.7
300	420	72	3	3	332	388	725	1370	—	—	NU 2960	NU	—	—	—	—	320	—	320	—	—	398	—	398	25	2.5	31.4
300	420	56	3	3	332	—	555	975	—	—	NU 1960	NU	—	—	—	—	—	—	320	—	—	398	—	—	25	2.5	24.4
300	380	60	2.1	2.1	322	—	485	1110	—	—	NU 3860	NU	—	—	—	—	—	—	318	—	—	361	—	—	2	2	16.6
280	580	224	6	6	360	500	3200	5200	—	—	NU 3356	NU	—	—	—	—	313	—	313	—	—	542	—	542	5	5	300
280	500	80	5	5	340	—	1140	1680	1100	1400	NU 256	NU	NF	—	—	—	300	300	334	344	—	480	—	—	4	4	70.7
280	500	80	5	5	—	440	1140	1680	1100	1400	N 256	—	—	—	N	NF	300	—	—	—	—	—	480	448	4	4	69.6
280	420	106	4	4	320	384	1090	2110	—	—	NU 3056	NU	—	—	—	—	302	—	302	—	—	395	—	395	3	3	52
280	420	65	4	4	316	384	660	1050	1400	1700	NU 1056	NU	NJ	NUP	N	NF	—	296	312	320	—	404	404	387	3	3	30.8
280	380	60	2.1	2.1	307	—	575	1150	—	—	NU 2956	NU	—	—	—	—	—	—	297	—	—	361	—	—	2	2	20.2
280	380	46	2.1	2.1	306	—	450	815	—	—	NU 1956	NU	—	—	—	—	—	—	297	—	—	361	—	—	2	2	15.2
280	350	52	2	1.1	298	—	435	985	—	—	NU 3856	NU	—	—	—	—	—	—	293	—	—	334	—	—	2	1	11.6
280	350	42	2	2	299	—	325	705	—	—	NU 2856	NU	—	—	—	—	—	—	295	—	—	334	—	—	2	2	9.16
260	540	206	6	6	336	—	2730	4350	—	—	NU 3352	NU	—	—	—	—	—	—	292	—	—	503	—	—	5	5	240
260	540	102	6	6	336	—	1540	2090	1000	1200	NU 352	NU	NJ	—	—	—	286	286	330	339	359	514	—	—	5	5	118

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