
Nachi
6203 2RSJ EM Premium Quality Bearing 17x40x12mm Sealed C3 Japan Made
UPC: 00193019084328
6203 2RSJ EM Nachi Ball Bearing
✔️ 17mm x 40mm x 12mm - Made in Japan, EM Motor Quality
This 6203 2RSJ EM Nachi bearing is a high-performance sealed ball bearing designed for electric motor use and other precision applications. Manufactured in Japan, it offers reliability, smooth operation, and long service life thanks to its C3 clearance and double rubber seals.
✅ Premium EM-grade electric motor bearing
✅ Made in Japan by Nachi for dependable quality
✅ Double rubber seals for better contamination resistance
✅ C3 radial clearance for higher thermal expansion tolerance
✅ Size: 17mm ID x 40mm OD x 12mm Width
✅ Dynamic load rating: 9,550 N
✅ Static load rating: 4,800 N
✅ Max speed with grease: 12,000 RPM
✅ Equivalent to: 6203 RS, 6203 2RS, Nachi 6203-2NSE
💡 What makes EM ball bearings ideal for electric motors?
EM (Electric Motor) bearings are built for quiet, high-speed operation with tighter tolerances and optimal lubrication, making them a solid choice for motors, fans, and pumps.
Great choice for smooth, quiet motion in electric motors and compact machinery.
Very good first purchase experience and the bearings were immediately shipped to me
seems like what I expected
Fantastic source for great bearings. Many times all you need is a bearing not an entire assembly which the auto parts industry loves to tell you and sell you.
$7 bucks for the bearings versus $120 for the assembly. 10 minutes on this site and I had a better bearing than O.E.M. and saved a wad of cash.
They even stock several grades of quality. I went for the top line and still saved a pile of dough over the auto parts place. Great service and great prices
Very good service
always good service, products, and price at vxb.. you can get your choice of quality and tolerances to choose from.. i chose these C3 bearings as replacements for the arbor on my big table saw.. not a job i want to do often, so better bearings means cleaner and more accurate cuts for me.. nice to be able to step up to better bearings when i need to..