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NTN Radial Ball Bearing: R18, Dbl Sealed, Contact Seal, 1 1/8 in Bore, 2 1/8 in OD - High-Temperature Radial Ball Bearings
NTNHigh-Temperature Radial Ball Bearings

NTN Radial Ball Bearing: R18, Dbl Sealed, Contact Seal, 1 1/8 in Bore, 2 1/8 in OD

The NTN R18 is an inch-system high-temperature radial ball bearing, double-sealed with a contact seal. It features a 1 1/8-inch bore, 2 1/8-inch outer diameter, and 0.5-inch width, identified by bearing industry…

SKU 3G-OTH-100485

Brand
NTN
Item
Radial Ball Bearing: R18, Dbl Sealed, Contact Seal, 1 1/8 in Bore, 2 1/8 in OD
Category
High-Temperature Radial Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
R18LLU/2AS
Type
Dbl Sealed, Contact Seal
Bore
1 1/8 in
OD
2 1/8 in
Wd
0.5 in
System of Measurement
Inch
Bearing Industry Number
R18
View Full Spec Sheet

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

Product Description

The NTN R18 is an inch-system high-temperature radial ball bearing, double-sealed with a contact seal. It features a 1 1/8-inch bore, 2 1/8-inch outer diameter, and 0.5-inch width, identified by bearing industry number R18 and manufacturer part number R18LLU/2AS.

Frequently Asked Questions

What is the NTN R18 radial ball bearing used for?

The NTN R18 is a high-temperature radial ball bearing designed for applications requiring reliable operation in elevated heat environments. It is commonly used in industrial machinery, conveyor systems, and processing equipment where double-sealed contact seals protect against contaminants and lubricant loss.

What are the specifications of the NTN R18 bearing?

The NTN R18 is an inch-system radial ball bearing with a 1 1/8-inch bore, 2 1/8-inch outer diameter, and 0.5-inch width. It features double-sealed contact seals (LLU) and carries the bearing industry number R18 with manufacturer part number R18LLU/2AS. It is designed for high-temperature service.

Where to buy the NTN R18 bearing worldwide?

3G Electric supplies the NTN R18 bearing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this high-temperature radial ball bearing to any country.

How to select the correct NTN R18 bearing for an application?

To select the NTN R18 bearing, verify the shaft diameter matches the 1 1/8-inch bore and the housing fits the 2 1/8-inch outer diameter. Confirm the 0.5-inch width and double-sealed contact seal suit your operating temperature and contamination exposure. Consult NTN's load ratings for your specific radial and axial loads.

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 high-temperature 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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