/ Double row cylindrical roller bearings

nn3024k bearing

1.Product Introduction: NN3024K model with double rows, inner diameter 120mm (1:12 taper), adjustable clearance, suitable for precision spindles.
2.Structure Type: Outer ring with double ribs, inner ring with 1:12 taper, double-row rollers + cage, open type.
3.Dimension Range: Inner diameter: 120mm (1:12 taper), Outer diameter: 180mm, Width: 46mm
4.Material: Inner ring/Outer ring/Rollers: GCr15/GCr15SiMn/20Cr2Ni4A; Cage: Stamped steel/brass
5.Accuracy: Class P4, Class P2 for ultra-precision models
6.Application Fields: CNC lathe spindles, precision milling machine spindles, high-speed precision motors
7.Key Inspection Items: Inner ring taper accuracy, radial clearance (adjustable to 0.005-0.02mm), dimensional accuracy

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Product Description

Data Sheet

NN3024K Bearing Spherical Roller – Engineered for Extreme Heavy Loads & 150°C Operations

Customizable High-Temperature Bearings for Metallurgy/Port Machinery with 99.9% Qualification Rate & 15-Day Fast Delivery

When your machinery faces relentless heavy loads, extreme temperatures, or harsh environments, the nn3024k bearing delivers unmatched reliability. Designed with precision-ground rollers and high-purity steel, this double-row tapered roller bearing combines P4-level accuracy with shock resistance to minimize downtime in demanding sectors like mining, wind energy, and steel production.

product-564-541

Key Features

Precision Performance: Engineered to ISO P4 standards for reduced vibration in CNC spindles and high-speed motors.
Extreme Temperature Resilience: Operates continuously at 150°C (150°C higher than standard bearings) using GCr15SiMn steel.
Heavy Load Mastery: Handles radial loads up to 300MPa, ideal for metallurgical rolling mills and port cranes.
Customizable Designs: Adjust inner diameters up to φ5000mm, integrate IoT sensors, or apply anti-corrosion coatings.

Technical Specifications

Parameter	Value
Inner Diameter (ID)	120mm (1:12 taper)
Outer Diameter (OD)	180mm
Width	46mm
Material	GCr15/GCr15SiMn steel
Accuracy Class	P4 (P2 available for ultra-precision)
Max Speed	3,800 RPM at 150°C

Built for Your Industry's Toughest Challenges

1. Wind Turbine Gearboxes

Problem: Premature wear in offshore salt spray environments.
Solution: Choose the nn3024k-WT Pro variant with DNV-GL-certified coatings, surviving 5,000+ salt spray hours.

2. Mining Conveyor Systems

Problem: Dust ingress causing frequent failures.
Solution: Triple-labyrinth seals in the nn3024k-MX Standard block 0.1mm abrasive particles (IP69K rated).

3. Steel Mill Rollers

Problem: Bearing deformation under 150°C heat.
Solution: High-purity steel construction maintains dimensional stability, reducing unplanned stops by 40%.

Quality Assurance: Precision at Every Step

1. Material Screening: Ultrasonic tests detect impurities in nn3024k bearing; spectral analysis verifies steel grade.

2. In-Process Checks: Automated CMM machines validate taper accuracy (±0.002mm).

3. Final Validation: Load simulations replicate 200,000+ operating hours; vibration tests ensure <4.5mm/s levels.

Certifications: ISO 9001, API 614 (wind), ATEX (mining).

Fast Delivery, Global Support

Standard Bearings: Shipped in 48 hours from US/EU/Asia warehouses.
Custom Sizes (φ3000mm+): Delivered in 15-20 days via modular production.
Emergency Support: On-site technicians available globally for urgent installations.

Why Choose Us?

25+ Years Expertise: Specializing in heavy-load bearings for extreme environments.
End-to-End Control: No outsourcing—consistent quality from raw materials to final testing.
Proven Scale: 100+ successful projects for bearings over φ3000mm.

FAQ

Q: Can the product withstand sandstorms in desert mines?

A: Yes! Our nn3024k-MX LubriSmart version comes pre-greased for 10-year dust resistance.

Q: Do you offer IoT-enabled bearings for predictive maintenance?

A: Absolutely. We embed sensors to monitor real-time load/temperature data via your dashboard.

Q: How do I adjust radial clearance for CNC spindles?

A: The 1:12 tapered inner ring allows precise clearance tuning (0.005–0.02mm) during installation.

Contact Us

Need a NN3024K Bearing That Outperforms?

📩 Email sales@inno-bearing.com within 12 hours for:

Custom quotes tailored to your load/temperature needs.
Free access to our NN3024K Engineering Guidelines (includes load diagrams & installation videos).

Upgrade your equipment with bearings built to endure—and backed by experts who keep your operations running.

d 40～105mm
Overall Dimensions				Rated Load		Limiting Rotational Speed		Bearing Designation		Shaft Diameter	Other Dimensions		Mounting Dimensions					Weight
d	D	B	rmin	Dynamic Load C	Static Load Co	Grease	Oil	Current Model	Original Model	Shaft Diameter	F	E	damin	damax	Damax	Damin	ramax	Weight
mm				kN		r/min				mm	mm		mm					kg
40	68	37	0.6	82.1	121	2000		NNF5008-2LSNV		40	47	61	44	50	65	63	0.6	0.535
40	68	38	0.6	100	142	2000		NNF5008DA.V.C4.S3		40	46	62	44	50	65	63	0.6	0.524
50	80	23	1	53	73.2	8000	9400	NN 3010K	3182110	50		72.5	57		75	74	1	0.421
55	90	45	0.6	144	228	1500		NNF5011-2LS		55	635	81.5	60	67	85	83	0.6	1.16
60	95	26	1.1	70.2	105	8500	10000	NN3012K		60		85.5	66.5		88.5	87	1	0.707
60	95	26	1.1	70.2	105	8500	10000	NN3012		60		85.5	66.5		88.5	87	1	0.708
70	110	30	1.1	95.8	145	7000	8500	NN3014K		70		100	76.5		104	101		0.963
70	110	30	1.1	95.8	145	7000	8500	NN 3014 K/P4W33		70		100	76.5		104	101	1	1.04
75	115	30	1.1	101	158	6700	8000	NN3015K		75		105	81.5		109	106	1	1.12
75	115	30	1.1	101	158	6700	8000	NN3015		75		105	81.5		109	106	1	1.13
80	125	34	1.1	123	194	6300	7500	NN3016K		80		113	86.5		119	114	1	154
	125	34	1.1	123	194	6300	7500	NN3016		80		113	86.5		119	114	1	1.6
	125	34	1.1	123	194	6300	7500	NN 3016 K/P4W33		80		113	86.5		119	114	1	1.5
85	130	34	1.1	122	195	6000	7000	NN3017K		85		118	91.5		124	119	1	1.59
90	140	37	1.5	142	226	5600	6700	NN3018K		90		127	98		132	129	1.5	2.12
90	140	66	0.6	297	560	900		NNF5018-2LSNV		90	104	128	96	106	135	130	0.6	3.24
100	150	37	1.5	161	274	5300	6000	NN 3020K		100		137	108		142	139	1.5	2.31
100	150	66	1.5	320	585	850		NNF5020-2LSV/YA1		100	113	139	105	117	146	141	1.5	3.98
105	160	41	2	201	328	4800	5600	NN 3021K		105		146	115		150	148	2	2.99
d 110～220mm
Overall Dimensions				Rated Load		Limiting Rotational Speed		Bearing Designation		Shaft Diameter	Other Dimensions		Mounting Dimensions					Weight
d	D	B	rmin	Dynamic Load C	Static Load Co	Grease	Oil	Current Model	Original Model	Shaft Diameter	F	E	damin	damax	Damax	Damin	ramax	Weight
mm				kN		r/min				mm	mm		mm					kg
110	200	69.8	2.1	372	592	3100	3900	NN 3222	3282222	110	179		139		182	180	2	9.52
120	180	46	2	235	397	4300	5000	NN3024K		120	165		130		170	167	2	3.99
130	200	52	2	294	498	4000	4500	NN3026K		130	182		140		190	183	2	5.76
130	200	52	2	294	498	4000	4500	NN3026K/W33		130	182		140		190	183	2	5.76
140	210	53	2	308	539	3800	4300	NN 3028K		140	192		150		200	194	2	6.43
140	210	53	2	308	539	3800	4300	NN 3028		140	192		150		200	194	2	6.56
150	225	56	2.1	335	587	3600	4000	NN3030K		150	206		161		214	208	2	7.87
160	240	60	2.1	446	776	3400	3800	NN3032K		160	223		171		229	221	2	9.25
160	240	60	2.1	446	776	3400	3800	NN3032K/W33		160	223		171		229	221	2	9.18
170	260	67	2.1	450	805	3000	3400	NN3034K		170	236		180		249	238	2	12.8
180	260	84	2.1	567	1130	2000	2600	NNU4936X3/W33		180	202		190		249	238	2	15
180	270	120	2.1	815	1570	2000	2600	NNU4136X3		180	202		190	199	259	248	2	24
190	260	69	2	485	1060	1900	2400	NNU4938K	4382938	190	211		200	209	250	246	2	10.96
200	280	80	2.1	480	1040	1900	2400	NN4940K	4182940	200	259		211	222	269	264	2	14.1
	280	80	2.1	480	1040	1900	2400	NN4940K/W33	4182940Y	200	259		211	222	269	264	2	14.1
	310	82	2.1	653	1170	2400	2800	NN3040K		200	282		211		299	285	2	22.6
	310	82	2.1	653	1170	2400	2800	NN3040K/W33		200	282		211		299	285	2	22.6
220	340	90	3	815	1480	2200	2600	NN3044		220	310		230		327	313	2	30.1
	340	90	3	815	1480	2200	2600	NN3044K/W33		220	310		230		327	313	2	29.1
	340	90	3	815	1480	2200	2600	NNU3044K/W33		220	254		230		327	313	2	29.2