NTN Radial Ball Bearing: 6311, Open, 55 mm Bore, 120 mm OD, 29 mm Wd, Alloy Steel Ring
The NTN Radial Ball Bearing: 6311 is a ceramic insulated radial ball bearing with a metric system of measurement. It features a 55 mm bore, 120 mm OD, and 29 mm width, with an alloy steel ring and Class 0 tolerance…
SKU 3G-OTH-100948
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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Deskripsi Produk
The NTN Radial Ball Bearing: 6311 is a ceramic insulated radial ball bearing with a metric system of measurement. It features a 55 mm bore, 120 mm OD, and 29 mm width, with an alloy steel ring and Class 0 tolerance. The bearing industry number is 6311, and the manufacturer part number is 7MC3-6311C3.
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is the NTN 6311 ceramic insulated radial ball bearing used for?
The NTN 6311 ceramic insulated radial ball bearing is used in electric motors and generators to prevent electrical pitting damage. Its ceramic coating blocks stray currents, extending equipment life in industrial applications like pumps, compressors, and conveyors.
What are the specifications of the NTN 6311 bearing?
The NTN 6311 bearing has a 55 mm bore, 120 mm OD, and 29 mm width. It is an open type with an alloy steel ring, Class 0 tolerance, and metric system of measurement. The bearing industry number is 6311, and the manufacturer part number is 7MC3-6311C3.
Where to buy the NTN 6311 bearing worldwide?
3G Electric supplies the NTN 6311 bearing worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this ceramic insulated radial ball bearing to your facility. Contact us for availability and lead time.
How to install the NTN 6311 ceramic insulated bearing?
Install the NTN 6311 bearing using a press fit on the shaft and housing, ensuring clean, dry surfaces. Avoid hammering directly on the bearing. Use proper alignment tools and apply grease compatible with ceramic coatings. Follow NTN's generic installation guidelines for best results.
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3G Electric memasok NTN ceramic insulated radial ball bearings. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.















