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Practical Four Point Contact Ball Bearing Inner Diameter 75-340mm

Place of Origin China
Brand Name DJTech or OEM, TNT, SKF, Koyo ,FAG , NSK,INA,IKO,TIMKEN
Certification ISO9001-2015/SGS/BV/CE/IAF
Model Number QJXXXX Series, QJFXXXX Series
Minimum Order Quantity 50
Price Negotiable
Packaging Details Independent packing
Delivery Time about 3~4wks
Payment Terms T/T in advance
Supply Ability 7.5KKPCS/Month

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Product Details
Type Four Point Contact Ball Bearing Precision ABEC 3, ABEC 5, ABEC 7
Cage Steel Material Steel
Inner Diameter 75~340mm Separable Yes
Weight 1.45~48.5kg Vibration Level V1
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Practical Four Point Contact Ball Bearing


Four Point Contact Ball Bearing 75mm


340mm Four Point Contact Bearing

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Product Description

Long Lifespan Four Point Contact Ball Bearing 75-340mm Inner Diameter , QJ0000 Series


Product Description:


Four Point Contact Ball Bearings are designed to provide a highly efficient and cost-effective solution to the most challenging of bearing requirements. These reliable and robust bearings feature four contact points between the inner and outer rings, allowing for superior load-bearing capacity and improved performance. Their inner diameter range from 75mm to 340mm and weight from 1.45kg to 48.5kg, and are available in various clearance grades such as C0, C2, C3 and C4. The cages of these Four Point Ball Bearings are made of steel, which are highly durable and can withstand extreme conditions. These Four Point Contact Bearings are perfect for high-speed and high-load applications in many industries, such as automotive, aerospace, and construction.




  • Product Name: Four Point Contact Ball Bearing
  • Type: Four Point Contact Ball Bearing
  • Inner Diameter: 75~340mm
  • Bore Type: Cylindrical Bore
  • Vibration Level: V1
  • Clearance: C0, C2, C3, C4

Technical Parameters:

Property Value
Separable Yes
Outer Diameter 130~520mm
Cage Steel
Bore Type Cylindrical Bore
Width 25~82mm
Seals Type Open
Precision ABEC 3, ABEC 5, ABEC 7
Clearance C0, C2, C3, C4
Material Steel
Weight 1.45~48.5kg



Four Point Contact Ball Bearing is a kind of roller bearing that has four points of contact between the rollers and the inner ring. It is a highly versatile bearing used in a variety of applications. The four point contact ball bearing is available from DJTech or OEM, TNT, SKF, Koyo ,FAG, NSK,INA,IKO,TIMKEN with model number QJXXXX Series and QJFXXXX Series. The bearing is of high quality and certified ISO9001-2015/SGS/BV/CE/IAF. It is packed in independent packing and delivered within 3~4wks. The minimum order quantity is 50 and the price is negotiable. The bearing is available with outer diameter ranging from 130~520mm and weight of 1.45~48.5kg. It is separable and has cylindrical bore type with clearance C0,C2,C3,C4. It has a supply ability of 7.5KKPCS/Month and payment terms of T/T in advance.



  • Brand Name: DJTech or OEM, TNT, SKF, Koyo ,FAG , NSK,INA,IKO,TIMKEN
  • Model Number: QJXXXX Series, QJFXXXX Series
  • Place of Origin: China
  • Certification: ISO9001-2015/SGS/BV/CE/IAF
  • Minimum Order Quantity: 50
  • Price: Negotiable
  • Packaging Details: Independent packing
  • Delivery Time: about 3~4wks
  • Payment Terms: T/T in advance
  • Supply Ability: 7.5KKPCS/Month
  • Outer Diameter: 130~520mm
  • Vibration Level: V1
  • Material: Steel
  • Clearance: C0,C2,C3,C4
  • Cage: Steel

We provide customized Four Point Contact Ball Bearing services with superior quality. Our Four Point Ball Bearings and Four Point Contact Bearings are widely used in various industries and have gained a reputation for excellence.


Support and Services:


  • Provide a full range of technical guidance and training courses.
  • Provide professional technical support and maintenance services.
  • Provide online technical support.
  • Provide product design and customization services.
  • Provide after-sales service and product quality tracking.

Packing and Shipping:


Four Point Contact Ball Bearing products are packaged in a cardboard box with foam and bubble wrap inside for protection. The box is then sealed with adhesive tape and clearly labeled with the product name and contents.

Shipping is done via standard ground and express methods. The customer can choose whichever method is most convenient for them and have their order arrive in the time frame they need. All orders are shipped with tracking information so the customer can monitor their shipment’s progress.