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7400D Series
Classification :
Angular Contact Ball Bearings
PRODUCT DETAILS
29° contact angle
"D" indicates a duplex ground half pair matched with an identical half pair and is followed by an additional suffix letter to describe the type of duplex.
| Bearing Number | d mm | D mm | B mm |
| 7403-D | 17 | 62 | 34 |
| 7404-D | 20 | 72 | 38 |
| 7405-D | 25 | 80 | 42 |
| 7406-D | 30 | 90 | 46 |
| 7407-D | 35 | 100 | 50 |
| 7408-D | 40 | 110 | 54 |
| 7409-D | 45 | 120 | 58 |
| 7410-D | 50 | 130 | 62 |
| 7411-D | 55 | 140 | 66 |
| 7412-D | 60 | 150 | 70 |
| 7413-D | 65 | 160 | 74 |
| 7414-D | 70 | 180 | 84 |
| 7415-D | 75 | 190 | 90 |
| 7416-D | 80 | 200 | 96 |
| 7417-D | 85 | 210 | 104 |
| 7418-D | 90 | 225 | 108 |
| 7419-D | 95 | 250 | 110 |
| 7420-D | 100 | 265 | 120 |
| 7421-D | 105 | 290 | 130 |
| 7422-D | 110 | 320 | 140 |
Angular contact ball bearing is a type of rolling-element bearing designed to support both radial and axial loads simultaneously. The contact angle between the ball and raceway allows the bearing to handle higher axial loads in one direction, making it ideal for high-speed and precision applications. It is widely used in machine tools, electric motors, pumps, automotive systems, and industrial equipment. Common configurations include single-row, double-row, and paired arrangements to meet different load requirements. Angular contact ball bearings offer high rigidity, low friction, and excellent rotational accuracy. They are often preloaded to improve stiffness and reduce vibration during operation. Materials such as high-quality chrome steel or stainless steel are used to ensure durability and wear resistance. Proper lubrication is essential to maintain performance and extend service life. With their ability to operate efficiently under complex load conditions, angular contact ball bearings play a critical role in modern mechanical engineering and precision machinery systems.
Packaging and delivery
Shanghai Quelong Industrial Co., Ltd. is a professional manufacturer and seller of bearings of well-known domestic and foreign brands. The company is committed to becoming a benchmark for Chinese bearing companies, providing users with more cost-effective solutions with advanced and applicable technologies, stable and reliable products and professional and thoughtful services. Shanghai Quelon products have won the favor of many domestic and foreign customers.
FACTORY
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CONTACT US
Email：sale@quelongbearing.com
Tel：+8619901781792
WhatsApp：+8619901781792
Address：Building 3, No. 228, Jingle Road, Langxia Town, Jinshan District, Shanghai (Langxia Lenong Cultural and Creative Industrial Park)