Cylindrial Roller Bearings NP300 Series

Basic Info

Model No.: NP300 Series

Rolling Body: Roller Bearings

The Number of Rows: Single

Additional Info

Payment Type: L/C,T/T

Incoterm: FOB,CFR,CIF

Product Description

Single Row Cylindrial Roller Bearings NP300 generally consist of two parts – outer or inner ring block on which with the help of cages and guiding ribs cylindrical rollers are fastened and second, separate ring. This arrangement allows separate mounting of rings and so the manipulation of indiviudal parts is made easier.

Precision Roller Bearings NP300 Series

NP design
The inner ring has two integral flanges and the outer ring one integral flange and one loose flange ring. The bearings can be used to locate a shaft axially in both directions

Bearing No.	Boundary dimensions(mm)					Basic load rating(kN)		Limiting speeds(rpm)		Weight (Kg)
Bearing No.	d	D	B	rs min	rs1min	Dynamic(Cr)	Static(Cor)	Grease	Oil	Weight (Kg)
NP304E	20	52	15	1.1	0.6	31.5	26.9	13,000	15,000	0.176
NP305E	25	62	17	1.1	1.1	41.5	37.5	11,000	13,000	0.275
NP306E	30	72	19	1.1	1.1	53	50	9,300	11,000	0.398
NP307E	35	80	21	1.5	1.1	71	71	8,100	9,600	0.545
NP308	40	90	23	1.5	1.5	58.5	57	8,000	9,400	0.658
NP308E	40	90	23	1.5	1.5	83	81.5	7,200	8,500	0.754
NP309	45	100	25	1.5	1.5	74	71	7,200	8,400	0.877
NP309E	45	100	25	1.5	1.5	97.5	98.5	6,500	7,600	0.996
NP310	50	110	27	2	2	87	86	6,500	7,700	1.14
NP310E	50	110	27	2	2	110	113	5,900	6,900	1.3
NP311	55	120	29	2	2	111	111	5,900	7,000	1.45
NP311E	55	120	29	2	2	137	143	5,300	6,300	1.65
NP312	60	130	31	2.1	2.1	124	126	5,500	6,500	1.8
NP312E	60	130	31	2.1	2.1	150	157	4,900	5,800	2.05
NP313	65	140	33	2.1	2.1	135	139	5,100	6,000	2.23
NP313E	65	140	33	2.1	2.1	181	191	4,600	5,400	2.54
NP314	70	150	35	2.1	2.1	158	168	4,700	5,500	2.71
NP314E	70	150	35	2.1	2.1	205	222	4,200	5,000	3.1
NP315	75	160	37	2.1	2.1	190	205	4,400	5,200	3.28
NP315E	75	160	37	2.1	2.1	240	263	4,000	4,700	3.74
NP316	80	170	39	2.1	2.1	190	207	4,100	4,800	3.86
NP316E	80	170	39	2.1	2.1	256	282	3,700	4,400	4.22
NP317	85	180	41	3	3	212	228	3,900	4,600	4.54
NP317E	85	180	41	3	3	291	330	3,500	4,100	4.81
NP318	90	190	43	3	3	240	265	3,700	4,300	5.3
NP318E	90	190	43	3	3	315	355	3,300	3,900	5.72
NP319	95	200	45	3	3	259	285	3,400	4,000	6.13
NP319E	95	200	45	3	3	335	385	3,100	3,600	6.62
NP320	100	215	47	3	3	299	335	3,300	3,800	7.49
NP320E	100	215	47	3	3	380	425	2,900	3,500	8.57
NP321	105	225	49	3	3	320	360	3,100	3,700	8.53
NP322	110	240	50	3	3	360	400	3,000	3,500	10
NP322E	110	240	50	3	3	450	525	2,700	3,100	11.1
NP324	120	260	55	3	3	450	510	2,700	3,200	12.8
NP324E	120	260	55	3	3	530	610	2,400	2,800	13.9
NP326	130	280	58	4	4	560	665	2,500	2,900	17.4
NP326E	130	280	58	4	4	615	735	2,200	2,600	19.4
NP328	140	300	62	4	4	615	745	2,300	2,700	21.2
NP328E	140	300	62	4	4	665	795	2,100	2,400	23.2
NP330	150	320	65	4	4	665	805	2,100	2,500	25.3
NP330E	150	320	65	4	4	760	920	1,900	2,300	28.4