NN3020TBKRCC1P5 NN3020TBKRCC1P4 P5 CC Japan NSK imported lathe spindle bearings

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Machine tool spindle NSK NN3020TBKRCC1P4 Cylindrical roller bearing

TFL Cylindrical roller bearing are of high load capacity and can operate at high speeds because they use rollers as their rolling elements.This kind bearing are generally only used to bear radial load, compared with the same size deep groove ball bearings, have a greater radial load capacity, speed close to the deep groove ball bearings, but with such a bearing with the shaft higher processing requirements shell holes, allowing the inner ring and outer ring axis tilt axis is small as beyond the limits of the two axis tilted roller in contact with the ring raceway situation will deteriorate severely impact of load bearing capacity, reduce bearing life. Therefore, these bearings need to be installed, such as the role of the host axial load component, only the simultaneous use of other types of bearings to withstand axial load premise before use.

NN and NNU double row cylindrical roller bearings have a low cross section, high load carrying capacity and high stiffness, therefore it is mostly used in machine tool spindle stands. FC, FCD, FCDP four row cylindrical roller bearings with large capacity of radial load, mostly applied in rolling mill and heavy machinery.

Depending on the existence of ribs on their rings, Cylindrical Roller Bearings are classified into the following types:

Bearing No.	Boundary dimensions			Mass
	mm			Kg
	d	D	B	≈
NN3006K	30	55	19	0.192
NN3007K	35	62	20	0.21
NN3008K	40	68	21	0.298
NN3009K	45	75	23	0.4
NN3010K	50	80	23	0.415
NN3011K	55	90	26	0.618
NN3012K	60	95	26	0.668
NN3013K	65	100	26	0.708
NN3014K	70	110	30	1.03
NN3015K	70	115	30	1.08
NN3016K/W33	80	125	34	1.53
NN3017K/W33	85	130	34	1.63
NN3018K/W33	90	140	37	2.12
NN3019K/W33	95	145	37	2.21
NN3020K/W33	100	150	37	2.3
NN3021K/W33	105	160	41	2.95
NN3022K/W33	110	170	45	3.74
NN3024K/W33	120	180	46	3.86
NN3026K/W33	130	200	52	5.76
NN3028K/W33	140	210	53	6.43