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NART-R

Basic Type

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This model is a non-separable type of bearing system whose inner ring is fixed to the side plates. Since the circumference of the outer ring is spherically ground, it helps lighten a biased load (symbol R).

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In stock

*Please contact THK if you need more than available quantity or out of stock items

Attributes	Part Number	CAD	Online Store Unit Price (USD)	Days to Ship	Inner Diameter (mm)	Outer Diameter (mm)	Outer Ring Shape	Dust Protection Seal	Width (mm)
Inner Diameter (mm): 35 Outer Diameter (mm): 72 Outer Ring Shape: Spherical Dust Protection Seal: No Seal Width (mm): 29	NART35R	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 35	Outer Diameter (mm): 72	Outer Ring Shape: Spherical	Dust Protection Seal: No Seal	Width (mm): 29
Inner Diameter (mm): 35 Outer Diameter (mm): 72 Outer Ring Shape: Spherical Dust Protection Seal: With Seal Width (mm): 29	NART35UUR	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 35	Outer Diameter (mm): 72	Outer Ring Shape: Spherical	Dust Protection Seal: With Seal	Width (mm): 29
Inner Diameter (mm): 40 Outer Diameter (mm): 80 Outer Ring Shape: Spherical Dust Protection Seal: No Seal Width (mm): 32	NART40R	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 40	Outer Diameter (mm): 80	Outer Ring Shape: Spherical	Dust Protection Seal: No Seal	Width (mm): 32
Inner Diameter (mm): 40 Outer Diameter (mm): 80 Outer Ring Shape: Spherical Dust Protection Seal: With Seal Width (mm): 32	NART40UUR	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 40	Outer Diameter (mm): 80	Outer Ring Shape: Spherical	Dust Protection Seal: With Seal	Width (mm): 32
Inner Diameter (mm): 45 Outer Diameter (mm): 85 Outer Ring Shape: Spherical Dust Protection Seal: No Seal Width (mm): 32	NART45R	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 45	Outer Diameter (mm): 85	Outer Ring Shape: Spherical	Dust Protection Seal: No Seal	Width (mm): 32
Inner Diameter (mm): 45 Outer Diameter (mm): 85 Outer Ring Shape: Spherical Dust Protection Seal: With Seal Width (mm): 32	NART45UUR	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 45	Outer Diameter (mm): 85	Outer Ring Shape: Spherical	Dust Protection Seal: With Seal	Width (mm): 32
Inner Diameter (mm): 50 Outer Diameter (mm): 90 Outer Ring Shape: Spherical Dust Protection Seal: No Seal Width (mm): 32	NART50R	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 50	Outer Diameter (mm): 90	Outer Ring Shape: Spherical	Dust Protection Seal: No Seal	Width (mm): 32
Inner Diameter (mm): 50 Outer Diameter (mm): 90 Outer Ring Shape: Spherical Dust Protection Seal: With Seal Width (mm): 32	NART50UUR	CAD	–	Days to Ship: 3 - 4 weeks	Inner Diameter (mm): 50	Outer Diameter (mm): 90	Outer Ring Shape: Spherical	Dust Protection Seal: With Seal	Width (mm): 32

Specifications


Model No.	Main dimensions							Basic load rating		Track load capacity	Rotational speed limit¹	Mass
	Inner diameterdi	Outer diameterD	B	C	a	r_smin	Oil holed₁	Dynamic C	Static C₀	Spherical outer ring
	Inner diameterdi	Outer diameterD	B	C	a	r_smin	Oil holed₁	Dynamic C	Static C₀	Spherical outer ring
	mm	mm	mm	mm	mm	mm	mm	kN	kN	kN	min^-1	g
NART5R	5	16	12	11	12	0.3	1.5	2.84	2.65	1.08	25000	14.5
NART6R	6	19	12	11	14	0.3	1.5	3.33	3.35	1.37	20000	20.5
NART8R	8	24	15	14	17.5	0.3	1.5	5.68	5.89	1.86	17000	41.5
NART10R	10	30	15	14	23.5	0.6	2	7.94	7.59	2.45	15000	64.5
NART12R	12	32	15	14	25.5	0.6	2	8.53	8.44	2.74	13000	71
NART15R	15	35	19	18	29	0.6	2	13.7	16.4	3.14	10000	102
NART17R	17	40	21	20	32.5	1	2	17.4	19.3	3.72	9500	149
NART20R	20	47	25	24	38	1	2.5	22.9	30.6	7.15	8000	250
NART25R	25	52	25	24	43	1	2.5	24.6	33.3	8.23	7000	285
NART30R	30	62	29	28	50.5	1	3	33.4	51.4	10.5	5500	470
NART35R	35	72	29	28	53.5	1	3	35.5	57.3	12.9	5000	640
NART40R	40	80	32	30	61.5	1	3	44.6	81.4	14.9	4000	845
NART45R	45	85	32	30	66.5	1	3	46.6	88.6	16.1	4000	915
NART50R	50	90	32	30	76	1	3	48.3	95.7	17.3	3500	980

Model Number Coding

Note 1: See Specifications tab for standard sizes Note 2: The stainless steel option is not a THK online store standard stock option. Contact us using the custom parts request link to order this item. Model NART45R is available only in carbon steel
Model	Size¹	Material²	Seals	Roller guide	Outer ring shape
NART	5		UU		R

NART	5~50	No symbol : Carbon steel	No symbol : Without seals	No symbol : With cage	No symbol : Cylindrical
		M : Stainless steel	UU : With seals	V : Full rollers	R : Spherical