/ Single row cylindrical roller bearings

Nu Cylindrical Roller Bearing

1.Product Introduction: Similar to the NU type, with a separable inner ring, able to bear radial loads, and suitable for high-speed applications.
2.Structure Type: The outer ring has double ribs, the inner ring is separable, with a single row of rollers + cage, and it is open - type / with dust cover.
3.Size Range: Inner diameter 20 - 500mm, outer diameter 47 - 1000mm, width 14 - 200mm.
4.Material: Inner ring / outer ring / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0/P6 level, high-speed version is P5 level.
6.Application Fields: Electric motors, machine tool spindles, reducers, automobile gearboxes.
7.Key Inspection Items: Radial clearance, roller parallelism, rotational flexibility.

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Product Description

Data Sheet

Nu Cylindrical Roller Bearing Overview

When your operations demand reliability under extreme conditions, Nu Cylindrical Roller Bearings deliver unmatched performance. Designed for industries like metallurgy, port machinery, and mining, these bearings excel in high-stress environments with temperatures up to 150°C, heavy radial loads exceeding 200kN, and corrosive settings. With a separable inner ring and optimized cage design, they ensure smooth operation at high speeds while minimizing maintenance downtime.

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Technical Specifications

Dimensions: ID 20mm–5000mm (standard & custom sizes)
Temperature Range: -30°C to +150°C (heat-treated steel variants available)
Precision Grades: P0 to P4 (ISO 15242-1 compliant)
Noise Level: <35dB at 1500 RPM
Load Capacity: Up to 1,500kN static radial load
Materials: GCr15, 20Cr2Ni4A steel, brass/stamped steel cages
Lubrication: Grease, oil, or custom solutions for harsh environments

Why Choose Us?

30+ Years of Industrial Expertise

Our in-house R&D team and vertically integrated production ensure consistent quality. From raw material selection to final assembly, every Nu Cylindrical Roller Bearing undergoes 12+ performance tests, including vibration analysis and thermal stress simulations.

Rapid Customization

Need non-standard sizes? Our modular design process slashes lead times by 30%. For example, a φ3000mm bearing for a rolling mill can be delivered in 15–20 days—ideal for urgent project timelines.

Built to Last in Extreme Conditions

High-purity chromium steel and specialized heat treatment extend bearing lifespan by 3x in high-temperature applications like blast furnaces. Oxidation-resistant coatings further enhance durability.

Global Availability

1,000+ standard bearings are stocked in regional warehouses (EU, NA, Asia) for 48-hour dispatch. Custom orders ship via expedited logistics with DDP incoterms support.

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Where NU Cylindrical Roller Bearions Excel?

1. Metallurgy: Backup bearings in rolling mills handling 500°C heat and radial shocks.

2. Port Machinery: Corrosion-resistant variants with IP69K seals for crane slewing rings.

3. Mining: Shock-proof designs (50J impact resistance) for crushers and conveyors.

4. Medical Equipment: P4-grade precision bearings with <35dB noise for imaging devices.

Customization Made Simple

1. Share Requirements: Submit load, speed, and environmental details.

2. 3D Modeling & Review: Get technical feedback within 24 hours.

3. Prototype Testing: Optional pre-production validation.

4. Bulk Production: 15–20 days for most non-standard orders.

Quality Assurance

Material Checks: Spectrometer testing ensures 99.95% steel purity.
Precision Grinding: Tolerance control ≤0.002mm.
Final Validation: Lifespan testing (10,000+ hours), thermal cycling, and vibration analysis.

FAQ

Q: Can you deliver a φ3200mm product in 18 days?

A: Yes. Our modular production system prioritizes urgent requests without compromising quality.

Q: How do your bearings handle saltwater corrosion?

A: We use super duplex steel and triple-lip seals for 1,000+ hours of salt spray resistance (ASTM B117 certified).

Q: What certifications do your bearings have?

A: ISO 9001, ASTM A295, and EN 10204 3.1 material traceability. Industry-specific certs like MSHA and ATEX are available.

Contact Us

Ready to Upgrade Your Equipment with Nu Cylindrical Roller Bearing?

Email your specifications to sales@inno-bearing.com for a free technical review and competitive quote within 24 hours.

LUOYANG INNO BEARING CO., LTD—Powering Industries with Precision Since 1993.

d 70～75mm
Overall Dimensions					Rated Load		Limiting Rotational Speed		Bearing Designation		Shaft Diameter	Other Dimensions				Mounting Dimensions					Weight
d	D	B	rmin	r1min	Dynamic Load C	Static Load C₀	Grease	Oil	Current Model	Original Model	Shaft Diameter	d1	D1	E	F	damin	Damax	Dbmin	ramax	rbmax	Weight
mm					kN		r/min				mm	mm				mm					kg
70	150	35	2.1	2.1	173	189	3600	4300	N 314	2314	70	97.8		130		81		134	2	2	2.73
	150	35	2.1	2.1	173	189	3600	4300	N314M	2314H	70	99.3		130		81		134	2	2	3.02
	150	35	2.1	2.1	173	189	3600	4300	NU 314M	32314H	70		121		90	81	139		2	2	3.09
	150	35	2.1	2.1	173	189	3600	4300	NU 314Q1	32314Q	70		121		90	81	139		2	2	3.12
	150	35	2.1	2.1	173	189	3600	4300	NJ314M	42314H	70	98	121		90	81	139		2	2	3.18
	150	35	2.1	2.1	173	189	3600	4300	NJ 314Q1	42314Q	70	98	121		90	81	139	139	2	2	3.12
	150	35	2.1	2.1	209	228	3600	4300	NJ314EF1		70	97.5	126		89	81	139		2	2	2.97
	150	35	2.1	2.1	209	228	3600	4300	NJ314EF1/C4YB		70	97.5	126		89	81	139		2	2	2.97
	150	35	2.1	2.1	209	228	3600	4300	NU 314ENM		70		125		89	81	139		2	2	3.2
	150	51	2.1	2.1	274	322	3600	4300	NJ2314EF1		70	97.5	126		89	81	139		2	2	5.6
	150	51	2.1	2.1	258	298	3600	4300	NJ 2314EM		70	97.5	126		89	81	139		2	2	4.4
	180	42	3	3	250	266	3600	4300	N414 M/YA1		70	110		152		81	167		2.5	2.5	6.1
75	115	20	1.1	1	66.8	85.5	5600	6700	NU 1015M		75		101		85	80	109		1	1	0.73
	130	25	1.5	1.5	123	146	4500	5300	NJ215EQ1/P63SO		75	95	113		88.5	84	121		1.5	1.5	1.45
	130	25	1.5	1.5	134	162	4500	5300	N215EF1		75	94.6		119		84		120	1.5	1.5	1.8
	160	37	2.1	2.1	190	205	3400	4000	N315M	2315H	75	104		140		86		143	2	2	3.77
	160	37	2.1	2.1	190	205	3400	4000	N315	2315	75	104		140		86		143	2	2	3.49
	160	37	2.1	2.1	190	205	3400	4000	NU315M	32315H	75		130		95.5	86	148		2	2	3.80
	160	37	2.1	2.1	190	205	3400	4000	NU315Q1	32315Q	75		130		95.5	86	148		2	2	3.68
	160	37	2.1	2.1	190	205	3400	4000	NU 315	32315	75		130		95.5	86	148		2	2	3.34
	160	37	2.1	2.1	217	236	3400	4000	N315EF1	2315EW1	75	104		143		86		143	2	2	3.56
	160	37	2.1	2.1	172	172	3400	4000	NJ 315	42315	75	102	130		95.5	86	148		2	2	3.96
	160	37	2.1	2.1	217	236	3400	4000	NU 315E	32315E	75		137		95	86	148		2	2	3.71
	160	37	2.1	2.1	217	236	3400	4000	NU315EF1	32315EW1	75		137		95	86	148		2	2	3.71
	160	37	2.1	2.1	217	236	3400	4000	NJ315EF1	42315EW1	75	104	137		95	86	148		2	2	3.63
	160	37	2.1	2.1	190	205	3400	4000	NJ315M	42315H	75		130		95.5	86	148		2	2	3.96
	160	37	2.1	2.1	182	200	3400	4000	NJ315Q1/P63S0	3E42315QT	75	105	129		96.5	86	148		2	2	3.81
	160	37	2.1	2.1	182	200	3400	4000	NU315Q1/P63S0		75	102	129		96.5	86	148		2	2	3.76
d 75~85mm
Overall Dimensions					Rated Load		Limiting Rotational Speed		Bearing Designation		Shaft Diameter	Other Dimensions				Mounting Dimensions					Weight
d	D	B	rmin	r1min	Dynamic Load C	Static Load C₀	Grease	Oil	Current Model	Original Model	Shaft Diameter	d1	D1	E	F	damin	Damax	Dbmin	ramax	rbmax	Weight
mm					kN		r/min				mm	mm				mm					kg
75	190	45	3	3	301	329	3400	4000	NJ415F1			75	116	150	105	88	177		2	2	8.73
	160	55	2.1	2.1	308	361	3400	4000	NU2315EM	32615 EH		75		136	95	86	148		2	2	5.58
	160	55	2.1	2.1	308	361	3400	4000	NJ2315EM			75	104	136	95	86	148		2	2	5.69
	160	68.3	2.1	2.1	321	306	2500	3000	NU 3315M	3032315H		75		130	95.5	86	148		2	2	7.39
80	140	26	2	2	121	145	4000	4800	NJ216	42216		80	101	118	95.3	89	131		2	2	1.63
	140	26	2	2	121	145	4000	4800	N216M	2216H		80	102	125	95.3	89		128	2	2	1.72
	140	26	2	2	121	145	4000	4800	NU 216	32216		80		118	95.3	89	131		2	2	1.59
	140	26	2	2	121	145	4000	4800	NJ216M	42216H		80	101	118	95.3	89	131		2	2	1.78
	140	26	2	2	131	154	4000	4800	NU 216E	32216E		80		122	95.3	89	131		2	2	1.52
	140	26	2	2	127	95.8	4000	4800	NU 216EF1	32216EW1		80		118	95.3	89		128	2	2	1.64
	140	33	2	2	187	245	4000	4800	NU2216EQI/P63S0			80		123	101	89	131		2	2	2.32
	170	39	2.1	2.1	262	291	3200	3800	NU316EF1			80		144		91	159		2	2	4.23
	170	39	2.1	2.1	233	249	3200	3800	N316EM			80	110	151	101	91		151	2	2	4.34
	170	39	2.1	2.1	262	299	3200	3800	NU 316EM			80		144	103	91	159		2	2	4.35
	170	58	2.1	2.1	274	330	3200	3800	NU 2316L	32616L		80		139	103	91	159		2	2	6.10
	170	58	2.1	2.1	274	330	3200	3800	NJ 2316L	42616L		80	111	139	96.5	91	159		2	2	6.21
85	130	22	1.1	1	74	108	5000	6000	NU1017 M1			85		114		90	124		1	1	1.06
	180	41	3	3	242	273	3000	3600	N317L	2317L		85	116	156		99		162	2.5	2.5	4.78
	180	41	3	3	242	273	3000	3600	N317L/YB2	2317L(Y)		85	116	156	109	103		162	2.5	2.5	4.7
	180	41	3	3	242	273	3000	3600	NJ317Q1/C63S0	3E42317QT		85	118	146		99	166		2.5	2.5	5.29
	180	41	3	3	298	339	3000	3600	N317EF1			85	117	160		98		162	2.5	2.5	6.51
	180	41	3	3	250	270	3000	3600	N317EM			85	118	160	108	98		162	2.5	2.5	5.02
	180	60	3	3	315	380	3000	3600	NU 2317M	32617H		85		147	108	108	108	108	108	108	8.00
	180	60	3	3	380	475	3000	3600	NU2317EM	32617EH		85		153	108	98	166		2.5	2.5	8.1
	180	60	3	3	315	380	3000	3600	NJ 2317M	42617H		85	114	147	108	98	166		2.5	2.5	8.58
	180	60	3	3	380	475	3000	3600	NU 2317EF1	32617E		85		153	108	98	166		2.5	2.5	6.9
	180	60	3	3	380	475	3000	3600	NU 2317EM/YA1	32617EHY		85		153		98	166		2.5	2.5	8.1