71800 series bearings

📷 Product Thumbnail
📐 Structure Drawing

718/670

Metric Dimensions (mm)
Bore d670mmBearing inner bore
Outer Dia. D820mmBearing outer diameter
Width B69mmBearing width
Radial Load (KN)
Dynamic Load Cr420KNBasic dynamic radial load rating
Static Load C0r780KNBasic static radial load rating
Speed & Torque
Grease Lubrication560rpmLimiting speed for grease lubrication
Oil Lubrication670rpmLimiting speed for oil lubrication
Other Parameters
Weight82.8kgBearing weight
718/670 thin‑walled angular contact ball bearing delivers low‑friction stable rotation for giant‑bore compact machinery. It can withstand combined radial‑axial loads, frequently applied for large rotary supports and large‑scale special‑purpose industrial mechanical devices.

71800 series bearings feature an angular contact design with ultra-thin section dimensions, engineered to support combined radial and axial loads in an extremely lightweight, space-saving package. Available in open configurations only, with bore diameters ranging from 10mm to 50mm and an ultra-thin cross-section height of 5mm across all sizes. These bearings deliver compact design, significant weight reduction, high-speed capability, excellent axial rigidity, and reliable performance in precision applications, making them ideal for aerospace actuators, robotics joints, medical imaging equipment, semiconductor manufacturing devices, machine tool spindles, and high-speed precision mechanisms where both weight savings and axial load capacity are critical requirements.

联系电话
📞 400-0635-880
TEL
联系邮箱 联系邮箱 联系手机
📱 +86-635-2513333
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