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NTN Radial Ball Bearing: 6312, Open, 60 mm Bore, 130 mm OD, 31 mm Wd, Alloy Steel Ring - Ceramic Insulated Radial Ball Bearings
NTNCeramic Insulated Radial Ball Bearings

NTN Radial Ball Bearing: 6312, Open, 60 mm Bore, 130 mm OD, 31 mm Wd, Alloy Steel Ring

The NTN Radial Ball Bearing: 6312 is a ceramic insulated radial ball bearing, identified by SKU 55PZ35 and manufacturer part number 7MC3-6312C3. This metric bearing features a 60 mm bore, 130 mm outer diameter, and…

SKU 3G-OTH-100404

Brand
NTN
Item
Radial Ball Bearing: 6312, Open, 60 mm Bore, 130 mm OD, 31 mm Wd, Alloy Steel Ring
Category
Ceramic Insulated Radial Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
7MC3-6312C3
Type
Open, Alloy Steel Ring, Class 0
Bore
60 mm
OD
130 mm
Wd
31 mm
System of Measurement
Metric
Bearing Industry Number
6312
View Full Spec Sheet

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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Radial Ball Bearing: 6312 is a ceramic insulated radial ball bearing, identified by SKU 55PZ35 and manufacturer part number 7MC3-6312C3. This metric bearing features a 60 mm bore, 130 mm outer diameter, and 31 mm width, with an alloy steel ring and Class 0 tolerance. It is an open design, supplied as the Bearing Industry Number 6312.

Frequently Asked Questions

What is the NTN 6312 ceramic insulated radial ball bearing used for?

The NTN 6312 ceramic insulated radial ball bearing prevents electrical pitting damage in motors and generators. It is commonly used in industrial machinery, pumps, and compressors where electrical arcing across bearings must be avoided to extend equipment life.

What are the specifications of the NTN 6312 bearing?

The NTN 6312 bearing has a 60 mm bore, 130 mm outer diameter, and 31 mm width. It is an open design with an alloy steel ring and Class 0 tolerance. The system of measurement is metric, and the bearing industry number is 6312.

Where to buy the NTN 6312 bearing worldwide?

3G Electric supplies the NTN 6312 bearing worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this ceramic insulated radial ball bearing for your application.

How to select the correct NTN 6312 bearing for an application?

To select the correct NTN 6312 bearing, verify the bore (60 mm), outer diameter (130 mm), and width (31 mm) match your housing and shaft. Confirm the open design suits your lubrication method. For electrical insulation needs, the ceramic coating on this NTN bearing prevents current passage.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN ceramic insulated radial ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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