High-Performance Double Row Roller Bearings for Industrial Use

• Customization: Available
• Rolling Body: Roller Bearings
• The Number of Rows: Single
• Model NO.: NNF5004
• Outer Dimension: Medium and Large(120-190mm)
• Material: Ceramic
• Spherical: Non-Aligning Bearings
• Load Direction: Radial Bearing
• Separated: Separated
• Temperature Range: -30°C to +120°C
• Sealing: Open or Sealed Options Available
• Load Capacity: High Radial Load Capacity with Moderate Axial Load
• Precision Class: ISO P0 to P6 (Depending on Application)
• Cage Material: Steel or Polyamide for Durability and Performance
• Design: Available in Standard and Custom Sizes
• Transport Package: Sealed in Plastic Bags, Packed in Foam-Lined Boxes
• Specification: Gcr15
• Trademark: LOWIFAR
• Origin: China
• HS Code: 848230
• Production Capacity: 50000PCS/Year
• Package Size: 10.00cm * 2.00cm * 10.00cm
• Package Gross Weight: 0.020kg

Product Description

Key Features of NNF5009 SL045009PP Double Row Cylindrical Roller Bearing

(Custom configurations available upon request.)

Double-Row Design:

Offers increased radial load capacity compared to single-row bearings.
Ideal for heavy-duty applications where high radial loads are present.
Full Complement Rollers:

Equipped with a maximum number of rollers, providing a high load-carrying capacity.
Suitable for applications with moderate rotational speeds.
Split Inner Ring:

The inner ring is split, which simplifies assembly and disassembly in certain applications.
Sealed Design (PP):

Equipped with seals on both sides to prevent the ingress of contaminants such as dirt and moisture.
Retains lubrication for extended bearing life and reduced maintenance.
High Radial Load Capacity:

Designed to handle high radial loads, making it suitable for heavy machinery.
Axial Load Capacity:

Limited axial load-carrying capacity, typical of cylindrical roller bearings.
Dimensional Stability:

Manufactured to precise tolerances, ensuring stability and smooth operation in demanding conditions.
Material:

Typically made from high-quality, through-hardened bearing steel for durability and resistance to wear.
Applications:

Commonly used in industrial machinery, gearboxes, electric motors, material handling systems, and more.
Suitable for applications with high radial loads and limited axial displacement.

Model Number	NNF5009 / SL045009PP	Double Row Cylindrical Roller Bearing
Type	Full Complement	Full complement rollers for higher load capacity
Sealing	PP (Double Sealed)	Sealed on both sides to retain lubrication
Bore Diameter (d)	45 mm	Inner diameter of the bearing
Outer Diameter (D)	75 mm	Outer diameter of the bearing
Width (B)	40 mm	Total width of the bearing
Dynamic Load Rating (C)	~119 kN	Approximate radial load-carrying capacity
Static Load Rating (C0)	~186 kN	Approximate static load-carrying capacity
Limiting Speed (Grease)	~1,700 RPM	Maximum speed with grease lubrication
Limiting Speed (Oil)	~2,000 RPM	Maximum speed with oil lubrication
Material	Bearing Steel	High-quality through-hardened steel construction
Inner Ring Design	Split	Split inner ring for easier assembly/disassembly
Application	Pulley systems, crane sheaves, hoisting equipment, and heavy machinery
Features	Compact design, high rigidity, and low friction

Bearing Model	Dimensions(mm)			Basic Load Rating(kN)		Speed ratings(r/min)		Weight(Kg)
	d	D	B	Dyn.C	Stat.Co	Grease	Oil
NNF5004	20	42	30	40.5	49	2400	4000	0.2
NNF5005	25	47	30	44.5	58	2160	3600	0.24
NNF5006	30	55	34	50	67	1800	3000	0.37
NNF5007	35	62	36	63	88	1560	2600	0.46
NNF5008	40	68	38	76	103	1440	2400	0.56
NNF5009	45	75	40	92	130	1320	2200	0.7
NNF5010	50	80	40	97	142	1200	2000	0.76
NNF5011	55	90	46	115	175	1080	1800	1.18
NNF5012	60	95	46	120	189	1020	1700	1.26
NNF5013	65	100	46	125	203	960	1600	1.33
NNF5014	70	110	54	168	265	840	1400	1.87
NNF5015	75	115	54	194	300	840	1400	1.96
NNF5016	80	125	60	203	325	780	1300	2.71
NNF5017	85	130	60	211	350	720	1200	2.83
NNF5018	90	140	67	305	510	660	1100	3.71
NNF5019	95	145	67	315	530	660	1100	3.88
NNF5020	100	150	67	330	550	600	1000	3.95
NNF5022	110	170	80	395	680	540	900	6.57

NNF5024	120	180	80	410	740	540	900	7.04
NNF5026	130	200	95	540	960	480	800	10.5
NNF5028	140	210	95	610	1100	450	750	11.1
NNF5030	150	225	100	710	1260	420	700	13.3
NNF5032	160	240	109	740	1360	390	650	16.6
NNF5034	170	260	122	960	1750	360	600	22.6
NNF5036	180	280	136	1140	2130	330	550	30.1
NNF5038	190	290	136	1160	2210	330	550	31.5
NNF5040	200	310	150	1350	2600	300	500	40.8
NNF5044	220	340	160	1570	3050	288	480	52.5
NNF5048	240	360	160	1630	3300	264	440	56
NNF5052	260	400	190	2380	4700	240	400	84.5
NNF5056	280	420	190	2600	5200	228	380	90.1
NNF5060	300	460	218	3000	5800	204	340	126

High-Precision Ceramic and Stainless Steel Bearings Manufacturer

Delivering exceptional quality and precision, our ceramic and stainless steel bearings are engineered to meet the diverse needs of industries worldwide. Trusted for durability and performance, we are your reliable partner in advanced bearing solutions.

Specification

Applications
Aerospace: High-performance bearings for aircraft engines and systems.
Automotive: Durable solutions for engines, transmissions, and electric vehicles.
Medical Equipment: Precision bearings for surgical tools and diagnostic devices.
Industrial Machinery: Robust bearings for heavy-duty operations in manufacturing and production.
Renewable Energy: Specialized bearings for wind turbines and solar tracking systems.
Food & Beverage: Corrosion-resistant bearings for hygienic and reliable operations.
 
Key Configurations
Ceramic Bearings: Offering high temperature resistance, low friction, and excellent corrosion resistance.
Custom Designs: Tailored bearing solutions to meet specific application requirements.
High-Precision Tolerances: Ensuring consistent performance in demanding applications.
Maintenance-Free Options: Sealed bearings for enhanced durability and reduced downtime.

Production Process

1) Premium-grade ceramic and stainless steel materials are sourced to meet stringent quality standards.
2) Advanced CNC and grinding machines shape the bearing components to achieve tight tolerances and smooth finishes.
3) Precision polishing ensures low friction and optimal performance for both ceramic and stainless steel bearings.
4)Bearings are carefully assembled in a clean, controlled environment to maintain integrity and precision.
5) Rigorous quality checks, including dimensional accuracy, surface finish, and load testing, are performed to ensure every bearing meets or exceeds industry standards.

Ceramic bearing

Stainless steel bearing

Hybrid ceramic bearing

Many years of experience in bearing business

After Sales Service

Technical Support: Expert guidance for installation, maintenance, and troubleshooting to ensure optimal performance.
Warranty Assurance: Coverage for manufacturing defects, providing peace of mind with every purchase.
Customized Solutions: Tailored advice and modifications to address specific operational challenges or requirements.
Prompt Response: Dedicated support team available to address inquiries and resolve issues quickly and effectively.

Company Profile

At LOWIFAR Bearings, we specialize in designing and manufacturing a wide range of precision, high-quality ball bearings and tapered roller bearings. Our products are designed to meet the demands of heavy agricultural machinery, textile machinery, various engineering applications, motors, automobiles, computers, electric appliances, power tools, pumps, and more.

With over ten years of experience in bearing production, LOWIFAR is a trusted manufacturer dedicated to providing custom-made bearing solutions to meet your unique requirements.

Our experienced and professional team ensures that we deliver products of the highest quality. We are proud to have exported our bearings to numerous countries and regions worldwide, including Europe, North America, India, Thailand, South Korea, Mexico, Turkey, Argentina, Russia, and many others.

Our bearings have earned a strong reputation for reliability and performance among our global customer base. We invite customers, business partners, and friends from all over the world to connect with us for mutually beneficial cooperation.

FAQ

1. What are ceramic bearings?
Ceramic bearings are bearings made from advanced ceramic materials such as Zirconia (ZrO2) or Silicon Nitride (Si3N4). They are known for their high strength, wear resistance, and ability to perform in extreme conditions.

2. What are the advantages of ceramic bearings over steel bearings?
Ceramic bearings offer several advantages, including:

  Higher Durability: Resistant to wear, corrosion, and high temperatures.
  Lighter Weight: Up to 40% lighter than steel bearings.
  Non-Magnetic & Electrically Insulating: Ideal for sensitive applications.
  Low Friction: Reduces energy loss and heat generation.
3. In which industries are ceramic bearings commonly used?
Ceramic bearings are widely used in:

  Packaging equipment
  Renewable energy (e.g., wind turbines)
  Aerospace and automotive
  Medical devices
  Chemical processing
  High-precision tools
4. Can ceramic bearings handle high temperatures?
Yes, ceramic bearings are highly resistant to heat and can operate in temperatures exceeding 1,000°C, depending on the material used.

5. Are ceramic bearings suitable for corrosive environments?
Absolutely! Ceramic bearings are non-reactive to most chemicals, making them ideal for use in highly corrosive environments.

6. What is the lifespan of ceramic bearings?
Ceramic bearings typically last much longer than steel bearings due to their wear resistance and durability. However, the exact lifespan depends on the operating conditions and maintenance practices.

7. How do I maintain ceramic bearings?
Ceramic bearings require minimal maintenance, but to ensure longevity:

  Use the correct lubrication when necessary.
  Keep them clean and free from contaminants.
  Follow proper installation procedures.
8. Do you provide customized ceramic bearings?
Yes, we offer tailored ceramic bearing solutions to meet your specific application requirements. Contact us to discuss your needs.

9. What sizes and types of ceramic bearings do you offer?
We supply a wide range of sizes and configurations, including ball bearings, roller bearings, and hybrid bearings. Check our product catalog or contact us for more details

10. How can I place an order or request a quote?
Simply visit our Contact Us page, fill out the inquiry form, or reach out to us directly via email or phone. Our team will respond promptly with the information you need