Heavy-Duty Radial Insert Ball Bearings for Industrial Use

• Customization: Available
• Temperature Range: -30°C to +150°C
• Sealing Options: Open, Metal Shield (Zz), or Rubber Seal (2RS)
• Model NO.: SER201
• Load Capacity: High
• Lubrication: Pre-Lubricated with Grease or Oil
• Tolerance: ABEC 1 to ABEC 7
• Noise Level: Low, Suitable for Precision Applications
• Applications: Robotics, Medical Devices, Instruments, RC Models,
• Transport Package: Sealed in Plastic Bags, Packed in Foam-Lined Boxes
• Specification: Chrome Steel (AISI 52100) or Stainless Steel (AISI
• Trademark: LOWIFAR
• Origin: China
• HS Code: 848210
• Production Capacity: 50000PCS/Year

Product Description

Key Features of SER Series Radial Insert Ball Bearing

(Custom configurations available upon request.)

Versatile Application:

Designed for use in a wide range of industries including agriculture, machinery, material handling, and conveyor systems.
Enhanced Housing Compatibility:

Fits into standard and custom pillow block or flange housings for easy assembly.
Set Screw Locking Mechanism:

Equipped with set screws on the extended inner ring for secure and reliable shaft attachment.
Prevents slippage even under high loads and vibrations.
Durable Material Construction:

Typically made from high-quality chrome steel (GCr15) for wear resistance and longevity.
Stainless steel options available for enhanced corrosion resistance.
Extended Inner Ring Design:

Inner ring extends on one or both sides for added support and alignment stability.
Self-Alignment Capability:

Can accommodate slight shaft misalignments, reducing stress on the bearing and improving longevity.
Sealing Options:

Standard Seals: Protect against dust and debris in general applications.
Triple Lip Seals: For extreme environments requiring superior protection against contaminants and moisture.
Grease Preloaded:

Factory lubricated with high-performance grease for extended service life.
Relubrication ports available in some models for easy maintenance.
High Load Capacity:

Engineered to handle both radial and axial loads efficiently.
Vibration Dampening:

Minimizes operational noise and vibration for smoother performance.
Temperature Resilience:

Capable of performing in a broad temperature range, suitable for extreme industrial conditions.
Interchangeable Design:

Compatible with similar insert bearings, allowing for easy replacement and system upgrades.
Ease of Installation and Removal:

Simple mounting and dismounting processes save time and reduce maintenance costs.
Customizable Options:

Available in various bore sizes, housing types, and sealing configurations to suit specific applications.
Resistance to Heavy Shock Loads:

Designed to withstand heavy and sudden impacts in demanding environments.
Corrosion-Resistant Coatings:

Optional coatings available for enhanced durability in wet or corrosive environments.

 

Series	SER Series
Material	Chrome Steel (GCr15) / Stainless Steel (AISI 440)
Bore Diameter	12 mm to 100 mm
Outer Diameter	Varies based on housing type
Inner Race Extension	Both sides
Locking Mechanism	Grub Screws
Seal Type	Double Lip Seals
Housing Compatibility	Pillow Block, Flanged, and Tapped Base Units
Lubrication	Pre-lubricated with high-quality grease
Temperature Range	-20°C to +120°C
Dynamic Load Rating	Based on size and model
Static Load Rating	Based on size and model

Bearing No.	d		Dimensions (mm)
	(mm)	(in.)	D	Bi	Be	n	j	a	h
SER201	12		47	31	15.9	12.7	2.38	1.07	4
SER201-8	12.7	1/2	47	31	15.9	12.7	2.38	1.07	4
SER202	15		47	31	15.9	12.7	2.38	1.07	4
SER202-10	15.875	5/8	47	31	15.9	12.7	2.38	1.07	4
SER203	17		47	31	15.9	12.7	2.38	1.07	4
SER203-11	17.463	11/16	47	31	15.9	12.7	2.38	1.07	4
SER204-12	19.05	3/4	47	31	15.9	12.7	2.38	1.07	4
SER204	20		47	31	15.9	12.7	2.38	1.07	4
SER205-14	22.225	7/8	52	34.9	19	13.1	2.38	1.07	5.2
SER205-15	23.813	15/16	52	34.9	19	13.1	2.38	1.07	5.2
SER205	25		52	34.9	19	13.1	2.38	1.07	5.2
SER205-16	25.4	1	52	34.9	19	13.1	2.38	1.07	5.2
SER206-18	28.575	11/8	62	38.1	22.2	15.9	3.18	1.65	5.6
SER206	30		62	38.1	22.2	15.9	3.18	1.65	5.6
SER206-19	30.163	13/16	62	38.1	22.2	15.9	3.18	1.65	5.6
SER206-20	31.75	11/4	62	38.1	22.2	15.9	3.18	1.65	5.6
SER207-20	31.75	11/4	72	42.9	23.8	17.5	3.18	1.65	5.6
SER207-21	33.338	15/16	72	42.9	23.8	17.5	3.18	1.65	5.6

SB208-25	39.688	19/16	80	34	18	9
SB208	40		80	34	18	9
SB209-26	41.275	15/8	85	41.2	19	9.5
SB209-27	42.863	111/16	85	41.2	19	9.5
SB209	45		85	41.2	19	9.5
SB209-28	44.45	13/4	85	41.2	19	9.5
SB210-30	47.625	17/8	90	41.6	20	10
SB210-31	49.213	115/16	90	41.6	20	10
SB210	50		90	41.6	20	10
SB211-32	50.8	2	100	45.3	24	12
S211-34	53.975	21/8	100	45.3	24	12
SB211	55		100	45.3	24	12
SB211-35	55.563	23/16	100	45.3	24	12
SB212-36	57.15	21/4	110	53.7	24	14.9
SB212	60		110	53.7	24	14.9
SB212-38	60.325	23/8	110	53.7	24	14.9

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