/ Four row cylindrical roller bearings

Large Cylindrical Roller Bearing

1.Product Introduction: Inner diameter ≥300mm, suitable for large-sized shafting, heavy-load and robust structure.
2.Structure Type: Outer ring with double ribs (partially split type), separable inner ring, single-row/double-row rollers + cage, metal seal.
3.Dimension Range: Inner diameter: 300-2000mm, Outer diameter: 500-3000mm, Width: 80-500mm
4.Material: Inner ring/Outer ring/Rollers: GCr15/GCr15SiMn/20Cr2Ni4A; Cage: Stamped steel/brass
5.Accuracy: Class P0/P6, Class P5 for large-sized precision equipment
6.Application Fields: Large motor rotors, rolling mill roll shafts, mining machinery spindles, offshore wind power equipment
7.Key Inspection Items: Forging flaw detection, dimensional accuracy (tolerance for large-sized parts), radial load capacity

Send Inquiry

Download

Product Description

Data Sheet

High-Performance Large Cylindrical Roller Bearings for Extreme Industrial Demands

Engineered for metallurgy, port, and mining machinery – with customization up to φ5000mm, 150℃+ heat resistance, and rapid 15-20 day lead times.

product-750-750

Powering Heavy Industries with Precision and Reliability

Large Cylindrical Roller Bearings are the backbone of heavy-load machinery, designed to handle radial forces up to 300 tons while operating in extreme temperatures and abrasive environments. At LUOYANG INNO, we specialize in manufacturing bearings with inner diameters from 300mm to 2000mm, optimized for applications like rolling mills, mining crushers, and offshore wind turbines. Our modular design and full-cycle R&D ensure these bearings deliver 50,000+ hours of reliable performance, even under 150℃ conditions.

product-1406-300

Key Features & Applications

Built for Demanding Environments

Heavy-Load Capacity: Reinforced rollers and cages withstand dynamic loads up to 1,200 kN/mm².
High-Temperature Resistance: Materials like GCr15SiMn and 20Cr2Ni4A retain hardness at 150℃+.
Corrosion/Dust Protection: Optional metal seals and stainless steel coatings for port/marine use.
Precision Grades: P5/P6 accuracy (radial runout ≤0.02mm) for medical equipment and precision gearboxes.

Top Applications:

Rolling mill roll shafts in steel plants
Mining conveyor drive systems
Offshore wind turbine yaw mechanisms

Technical Specifications

Parameter	Specification
Inner Diameter (ID)	300mm – 2000mm
Outer Diameter (OD)	500mm – 3000mm
Width	80mm – 500mm
Material	GCr15/GCr15SiMn rings; brass/stamped steel cages
Precision	P0/P6 (standard); P5 (custom orders)
Temperature Tolerance	-30℃ to +150℃ (higher upon request)

Why Choose LUOYANG INNO?

✅ 30+ Years of Expertise: Self-produced critical components for quality control.

✅ Rapid Customization: 15-20 day lead times for non-standard designs (φ3000mm+).

✅ 12-Point Quality Testing: 99.9% defect-free rate via vibration, lifespan, and load tests.

✅ Global Stock Availability: 1,000+ standard models ship within 48 hours.

✅ Lifetime Technical Support: From CAD modeling to IoT-driven maintenance plans.

Industry-Specific Solutions

Case 1: Metallurgy

A steel plant reduced bearing replacements by 40% after switching to our Large Cylindrical Roller Bearings with high-temperature cylindrical roller bearings and anti-deformation rollers.

Case 2: Port Machinery

Ship loaders using our sealed bearings reported 30% longer service life in saltwater environments.

Case 3: Mining

Vibrating screens equipped with our impact-resistant bearings achieved 20% higher uptime.

Quality Assurance & Compliance

ISO 9001, CE, and ASTM F2097 certifications
Raw material checks via spectrometry
3-stage inspections (pre-production, in-process, final)
SGS-validated lifespan testing

Global Logistics Network

Order Type	Lead Time	Delivery Scope
Standard Bearings	48 hours	Worldwide via regional warehouses
Custom Designs	15-20 days	Tailored to your location

FAQ

1. How do your bearings handle 500℃+ temperatures?

We use heat-treated alloys like 20Cr2Ni4A and ceramic-coated rollers to maintain structural integrity.

2. Can I get a φ2500mm bearing in 18 days?

Yes! Our modular production system cuts lead times to 70% of industry averages.

3. What certifications do you provide?

All bearings include ISO 9001 and material test reports. CE, ATEX, and OSHA compliance are optional.

4. Do you offer installation support?

Our engineers provide on-site guidance or video tutorials for seamless integration.

Contact Us

Need Large Cylindrical Roller Bearings That Outperforms?

📧 Email sales@inno-bearing.com for a free consultation. Get technical drawings and a quote within 24 hours!

Optimized for heavy-load, high-temperature, and corrosive environments – LUOYANG INNO Bearings redefine durability.

d 370～600mm
Overall Dimensions						Rated Load		Bearing Designation		Other Dimensions				Weight
d	D	B	F	rmin	r1min	Dynamic Load C	Static Load C。	Current Model	Original Model	damin	Damin	Damax	ramax	Weight
mm						kN				mm				kg
370	530	400	413		5	4650	12600	FCDP 74106400/HC/C4		382	456	510	4	313
380	540	400	422	4	4	5148	12600	FCD76108400		397	502	523	3	291
400	560	410	445	5	5	6330	15800	FCDP80112410		419	525	547	4	320
400	560	410	445	5	5	4680	13500	FCDP 80112410		419	525	547	4	320
410	600	440	460		5	6640	17700	FCDP 82120440HC/C4		423	550	580	4	423
460	650	470	509	5	5	7920	20160	FCDP92130470M/HC		484	609	626	4	500
480	650	450	525	6	6	7425	19080	FCD96130450		500	610	630	4	453
	650	450	525	6	6	7425	19080	FCDP96130500		500	610	630	4	448
	680	500	532	6	6	8217	19800	FCDP96136500		500	632	660	4	607
	700	400	538	5	5	8568	21600	FCDP96140400	672796Y	500	648	680	4	508
500	670	450	540	6	6	9800	20200	FCDP100134450	6728/500Y	520	629	650	4	441
500	720	530	568	6	6	10000	28000	FCDP100144530						248
560	820	600	625	6	4	12780	35600	FCDP112164600		577	757	803	4	1071
560	820	630	625	6	6	14000	35800	FCD112164630		577	757	803	4	1134
570	815	534	628	6	6	12080	30180	FCD114163594	9727/570Y	595	757	730	4	1036
600	820	575	413		3	10600	33800	BFCDP 120164575/HC P64		618	760	805	2.5	920
	870	640	672	6	6	14900	26100	FCDP120174640K		625	808	845	4	1286
	870	640	669	6	6	15000	37700	FCDP120174640K1						1294
	870	640	669	6	6	15000	37700	FCDP120174640K2		621	809	849	4	1294
	870	640	672		6	13500	40300	BFCDP120174640/HC/P64YA		623	791	845	4	1303
d 610～950mm
Overall Dimensions						Rated Load		Bearing Designation		Other Dimensions				Weight
d	D	B	F	rmin	r1min	Dynamic Load C	Static Load C。	Current Model	Original Model	damin	Damin	Damax	ramax	Weight
mm						kN				mm				kg
610	870	660	680		6	14500	44600	BFCDP 122174660/P5		625	799	845		1316
650	900	650	704		7.5	14200	42100	FCDP130180650HC/P64		662	830	872	5	1270
658	1075	650	766	6	6	18450	38700	FCDP132215650X3	6729/658	621	809	849	4	2400
690	980	715	767.5	6	4	17820	55330	FCDP138196715		720	911.5	950	4	1862
690	980	750	766		7.5	17000	52000	BFCDP 138196750-4/P5		711	896	950	5	1894
748	1135	690	851	6	4	19800	45900	FCDP¹50227690X3	6729/748	777	1038	1100	4	2570
800	1080	700	870	7.5	3	19000	57000	FCDP160216700		827	1010	1050	5	1912
800	1080	700	878	7.5	3	19000	57000	BFCDP¹60216700YA		827	1010	1050	5	1981
820	1130	800	903		6	21700	67000	BFCDP 164226800-1/P6		835	1040	1100	4	2533
850	1150	840	928	7.5	7.5	30500	67500	FCDP170230840		875	1088	1130	5	2529
900	1220	840	989	7.5	7.5	23600	72000	FCDP180244840		931	1145	1190	5	3010
900	1220	840	989		7.5	27000	81200	BFCDP 180244840/	YA/P64	923	1130	1190	5	2984
950	1300	850	1044	7.5	7.5	29000	92000	FCDP190260850	6727/950Y	980	1210	1270	5	3523