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NTN Radial Ball Bearing: 6303, Dbl Sealed, Non-Contact Seal, 17 mm Bore, 47 mm OD - General Purpose Radial Ball Bearings
NTNGeneral Purpose Radial Ball Bearings

NTN Radial Ball Bearing: 6303, Dbl Sealed, Non-Contact Seal, 17 mm Bore, 47 mm OD

The NTN 6303 is a metric general purpose radial ball bearing with a 17 mm bore, 47 mm OD, and 14 mm width. It features double non-contact seals and is identified by bearing industry number 6303 and manufacturer part…

SKU 3G-OTH-103704

Brand
NTN
Item
Radial Ball Bearing: 6303, Dbl Sealed, Non-Contact Seal, 17 mm Bore, 47 mm OD
Category
General Purpose Radial Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
6303LLBC3/5C
Type
Dbl Sealed, Non-Contact Seal
Bore
17 mm
OD
47 mm
Wd
14 mm
System of Measurement
Metric
Bearing Industry Number
6303
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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN 6303 is a metric general purpose radial ball bearing with a 17 mm bore, 47 mm OD, and 14 mm width. It features double non-contact seals and is identified by bearing industry number 6303 and manufacturer part number 6303LLBC3/5C.

Frequently Asked Questions

What is the NTN 6303 radial ball bearing used for?

The NTN 6303 is a general purpose radial ball bearing used in electric motors, pumps, gearboxes, and conveyor systems. Its double non-contact seals protect against contaminants while reducing friction, making it suitable for moderate-speed industrial applications requiring reliable performance.

What are the specifications of the NTN 6303 bearing?

The NTN 6303 is a metric radial ball bearing with a 17 mm bore, 47 mm OD, and 14 mm width. It features double non-contact seals and carries bearing industry number 6303 with manufacturer part number 6303LLBC3/5C. It is designed for general purpose use in industrial equipment.

Where to buy NTN 6303 bearings worldwide?

3G Electric supplies the NTN 6303 bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this bearing to support your operations.

How to select the correct NTN 6303 bearing for an application?

To select the NTN 6303, verify your shaft diameter (17 mm bore), housing bore (47 mm OD), and required width (14 mm). Confirm the seal type—double non-contact seals suit clean, moderate-speed environments. Check load ratings and operating temperature range against your application's demands.

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 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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