/ Single row cylindrical roller bearings

nup bearing

1.Product Introduction: The inner ring has a single rib + flat rib, able to bear radial + slight axial loads, and suitable for shaft system positioning.
2.Structure Type: The outer ring has double ribs, the inner ring has a single rib + flat rib, with a single row of rollers + cage, and it is open - type / sealed.
3.Size Range: Inner diameter 20 - 500mm, outer diameter 47 - 1000mm, width 14 - 200mm.
4.Material: Inner ring / outer ring / flat rib / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0/P6 level, P5 level for positioning scenarios.
6.Application Fields: Machine tool spindles (positioning end), electric motors, reducers, automobile transmission systems.
7.Key Inspection Items: Radial clearance, axial load-bearing capacity, flat rib fitting degree.

Send Inquiry

Download

Product Description

Data Sheet

High-Temperature & Heavy-Load NUP Bearings for Extreme Industrial Environments

Custom-engineered φ5000mm bearings with 500℃+ resistance, 30% longer lifespan in metallurgy/port machinery. 48-hour delivery for 1,000+ standard sizes.

NUP bearings are engineered to handle radial and axial loads in demanding industrial applications. At LUOYANG INNO BEARING, we specialize in manufacturing high-precision NUP bearings that deliver unmatched durability under extreme conditions—from scorching steel mills to corrosive port environments. With 30+ years of expertise, our bearings combine advanced materials like GCr15 steel and modular designs to reduce downtime by 40%.

---

Why Choose Our NUP Bearings?

✅ 30+ Years in Heavy-Duty Engineering

✅ Full-Cycle R&D (CAD to Performance Testing)

✅ 99.9% Qualification Rate via 12+ Rigorous QC Checks

✅ φ3000mm Custom Bearings in 25-30 Days

---

Built for Your Industry’s Toughest Challenges

Metallurgy

Withstand 500℃+ in rolling mills and continuous casting machines using Incoloy 825 alloy cores and triple heat treatments.

Port Machinery

Salt-spray-resistant NUP bearings for cranes and conveyors, featuring triple-labyrinth seals to block 95% of contaminants.

Medical Equipment

P4-grade precision with <35dB noise for MRI machines and surgical robots, lubricated with USP Class VI grease.

---

product-750-750

Technical Specifications

Parameter	Specification
Inner Diameter	20mm – 5000mm
Dynamic Load (Cr)	Up to 3,500kN
Temperature Range	-50℃ to +150℃ (expandable with coatings)
Noise Level	P0-P4 grades (medical: <35dB)

---

product-1256-742

Customization Made Simple

1. Equipment Analysis – Share specs or let us map legacy systems.

2. Material Selection – Choose from high-purity steel, ceramics, or hybrids.

3. Prototyping – Test units in our 500-hour stress simulator.

4. Bulk Production – Modular assembly cuts lead times by 30%.

---

product-1406-300

Quality You Can Trust

Material Checks: Spectrometry for 100% steel purity.
Precision Grinding: ±0.001mm radial runout.
Performance Tests: Vibration, lifespan, and 50G shock resistance.
Certifications: ISO 9001, CE, CRN, IATF 16949.

---

Global Support, Local Speed

Regional Hubs: Stocked warehouses in EU, NA, and Asia.
IoT Monitoring: Get real-time wear alerts via embedded sensors.
24/7 Engineers: On-call for installation guidance or emergency fixes.

---

FAQ

Q: How do you customize oversized NUP bearings for legacy cranes?

A: We reverse-engineer using 3D scans, guaranteeing ±0.005mm tolerances.

Q: Can NUP bearings integrate IoT sensors?

A: Yes—our MarineShield series tracks load and temperature to predict failures.

Q: What materials prevent shock load failures?

A: 20Cr2Ni4A steel cores with case hardening (60-64HRC).

Q: Do you comply with medical noise standards?

A: Absolutely. MediCore P4+ bearings undergo ANSI S12.50 testing.

Q: How fast can you deliver 500+ units?

A: 25 days via dual-track production lines.

---

Request Your Custom NUP Bearing Quote

Get engineering drawings & pricing within 4 working hours.

📧 Email: sales@inno-bearing.com

📥 [Download Technical Handbook]

📞 [Speak to a Bearing Engineer]

---

Optimized for heavy radial loads and extreme environments, NUP bearings from LUOYANG INNO BEARING are the smart choice for industries where failure isn’t an option. Contact us today to upgrade your equipment’s backbone.

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