High speed Mine bearing NJ1007 NJ1008 NJ1009 NJ1010EM

model	NJ1008
d	40 mm
D	68 mm
B	15 mm
r_min.	1.0 mm
r_{1 min.}	0.6 mm
F_w	47.0 mm
C_r	27.3 kN, Basic dynamic Load Ratings
C_0r	29 kN, Basic static Load Ratings
Limiting speeds Thermal Reference	10000 min^-1
Limiting speeds Mechanical	min^-1
Limiting speeds Grease	10000 min^-1
Limiting speeds Oil	12000 min^-1
Mass	0.23 kg (approx.)

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Product Description

High-speed Mine bearing NJ1007 NJ1008 NJ1009 NJ1010EM

Cylindrical rollers and raceways are linear contact bearings. Load capacity mainly bears the radial load. The friction between the rolling element and the retaining edge of the ring is slightly suitable for high-speed rotation. Whether the ring has ribs, it can be divided into single row cylindrical roller bearings such as NU, NJ, NUP, N, NF, and double row cylindrical roller bearings such as NNU and NN.

The bearing has a detachable structure with an inner and outer ring. Cylindrical roller bearings with no ribs on the inner or outer ring, the inner circle, and the outer ring can move relative to the axial direction to be used as a free end bearing. Cylindrical roller bearings with double ribs on one side of the inner ring and outer ring and a single rib on the other side of the ring can bear a certain degree of axial load in one direction. Generally use steel stamping cages or copper alloy car solid cages. But there is also a part of the use of polyamide forming cage.

Model	Dimensions (mm)					Basic Load Rating (N)			Limiting speed ( r/min )	Weight
	d	D	B	Dyn. C	Stat. C0	Lubrication Grease	Oil
NJ1006	30	55	13	18700	18400	13000	15000	0.124
NJ1007	35	62	14	22600	23200	11000	13000	0.187
NJ1008	40	68	15	24900	25700	10000	12000	0.229
NJ1009	45	75	16	31000	33800	9200	11000	0.297
NJ1010	50	80	16	33600	36800	8400	9900	0.314
NJ1011	55	90	18	37400	43800	7600	8900	4.57
NJ1012	60	95	18	42100	50000	7000	8300	0.49
NJ1013	65	100	18	43300	52900	6600	7800	0.519
NJ1014	70	110	20	57900	70400	6100	7200	0.72
NJ1015	75	115	20	63600	78100	5700	6800	0.75
NJ1016	80	125	22	69300	86400	5300	6300	1.02
NJ1017	85	130	22	71400	91200	5100	6000	1.07
NJ1018	90	140	24	84700	109000	4700	5600	1.38
NJ1019	95	145	24	87200	115000	4500	5300	1.44
NJ1020	100	150	24	91000	120000	4300	5100	1.5
NJ1022	110	170	28	134000	171000	3800	4500	2.37
NJ1024	120	180	28	137000	181000	3500	4200	2.53
NJ1026	130	200	33	171000	238000	3200	3800	3.87
NJ1028	140	210	33	175000	250000	3000	3600	4.11
NJ1030	150	225	35	201000	281000	2800	3300	4.96