6203 Deep Groove Ball Bearing (17 × 40 × 12 mm)
The 6203 bearing features a 17 mm shaft bore, 40 mm outer diameter, and 12 mm width. A standard mechanical staple across automotive, industrial, and textile engineering.
Technical Specifications (ISO Standard)
Available Variants & Configurations
Standard & Special SourcingOpen unsealed configuration for 6203 bearing. Requires external lubrication in clean enclosed oil/grease housings.
Dual pressed-steel non-contact shields for 6203. Retains grease and blocks coarse debris without adding frictional torque.
Dual synthetic NBR rubber contact seals for 6203. Maximum protection against dust, lint, moisture, and fine particle ingress.
6203 with C3 increased radial internal clearance. Designed for high thermal expansion, tight shaft interference fits, and elevated operating temperatures.
6203 dual rubber sealed bearing with C3 internal clearance. Ideal for high-speed electric motors and textile equipment operating under heat.
6203 high-precision bearing conforming to ISO Tolerance Class 6 for low-runout, high-accuracy spindle and machine applications.
Amman Spares can arrange standard industrial equivalents or specific brand requests (such as SKF, NSK, FAG, NTN, KOYO, TIMKEN, or certified export brands) subject to current supplier confirmation. Mention your brand preference in the request form.