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NTN Radial Ball Bearing: 63311, Dbl Shield, 55 mm Bore, 120 mm OD, 49.2 mm Wd - General Purpose Cartridge Radial Ball Bearings
NTNGeneral Purpose Cartridge Radial Ball Bearings

NTN Radial Ball Bearing: 63311, Dbl Shield, 55 mm Bore, 120 mm OD, 49.2 mm Wd

The NTN Radial Ball Bearing, model 63311, is a general purpose cartridge radial ball bearing from NTN. It features a 55 mm bore, 120 mm outer diameter, and 49.2 mm width, with double shields and an alloy steel ring…

SKU 3G-OTH-99237

Brand
NTN
Item
Radial Ball Bearing: 63311, Dbl Shield, 55 mm Bore, 120 mm OD, 49.2 mm Wd
Category
General Purpose Cartridge Radial Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
63311ZZC3/L627
Type
Dbl Shield, Alloy Steel Ring
Bore
55 mm
OD
120 mm
Wd
49.2 mm
System of Measurement
Metric
Bearing Industry Number
63311
View Full Spec Sheet

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

Product Description

The NTN Radial Ball Bearing, model 63311, is a general purpose cartridge radial ball bearing from NTN. It features a 55 mm bore, 120 mm outer diameter, and 49.2 mm width, with double shields and an alloy steel ring. This metric bearing is identified by industry number 63311 and manufacturer part number 63311ZZC3/L627.

Frequently Asked Questions

What is the NTN 63311 radial ball bearing used for?

The NTN 63311 radial ball bearing is a general purpose cartridge bearing designed for moderate radial and axial loads in industrial machinery such as pumps, gearboxes, conveyors, and electric motors. Its double-shielded design helps retain grease and exclude contaminants, making it suitable for applications requiring low maintenance and reliable operation.

What are the specifications of the NTN 63311 bearing?

The NTN 63311 is a metric radial ball bearing with a 55 mm bore, 120 mm outer diameter, and 49.2 mm width. It features double shields, an alloy steel ring, and is identified by industry number 63311 and manufacturer part number 63311ZZC3/L627. This NTN bearing is designed for general purpose use in rotating equipment.

Where to buy the NTN 63311 bearing worldwide?

You can source the NTN 63311ZZC3/L627 radial ball bearing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine NTN bearings to industrial buyers internationally.

How to select the correct NTN 63311 bearing for an application?

To select the NTN 63311 bearing, verify that your shaft diameter matches the 55 mm bore and housing fits the 120 mm OD. Confirm the 49.2 mm width accommodates your space. The double-shielded design suits clean, grease-lubricated environments. For load ratings and speed limits, consult NTN's technical data. 3G Electric can assist with sourcing this NTN bearing.

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 general purpose cartridge 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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