R18, R18Z, R18ZZ, R18RS, R18-2RS Inch Deep Groove Ball Bearings 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm) – Heavy-Duty Sealed Bearings for Industrial Motors, Pumps, Large Fans, Gearboxes & Machinery

R18, R18Z, R18ZZ, R18RS, R18-2RS Inch Deep Groove Ball Bearings 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm) – Heavy-Duty Sealed Bearings for Industrial Motors, Pumps, Large Fans, Gearboxes & Machinery

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R18, R18Z, R18ZZ, R18RS, R18-2RS Inch Deep Groove Ball Bearings 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm) – Heavy-Duty Sealed Bearings for Industrial Motors, Pumps, Large Fans, Gearboxes & Machinery

The R18 series inch deep groove ball bearings feature standard dimensions of 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm), delivering high radial and moderate axial load capacity—ideal for demanding industrial applications such as large electric motors, water/oil pumps, industrial blowers, gear reducers, agricultural machinery, and conveyor systems.

Available in multiple sealing configurations to suit your operating environment:

R18: Open type – minimal friction, best for clean or oil-lubricated systems
R18Z / R18ZZ: Single or double metal shields – reduce dust ingress while retaining factory grease
R18RS / R18-2RS: Single or double rubber seals – provide excellent protection against moisture, dust, and fine contaminants

Manufactured from high-quality chrome steel (SAE 52100) with precision grinding for smooth, quiet operation and extended service life. Stainless steel (440C) versions are available upon request for corrosive or washdown environments.

These bearings are engineered for reliability in medium to high-speed operations where durability, load capacity, and consistent performance are critical.

🔧 Key Specifications:

Models: R18, R18Z, R18ZZ, R18RS, R18-2RS
Dimensions: 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm)
Material: Chrome Steel (standard); Stainless Steel optional
Type: Inch series deep groove ball bearing
Ideal for: Heavy-duty motors, industrial fans, pump shafts, gear drives, farm equipment

⚠️ Tip: Use R18-2RS in wet/dusty conditions; R18ZZ for dry indoor use; open R18 for high-speed or custom-lubricated setups.

Each bearing undergoes strict quality inspection and is packed in anti-rust packaging. Available in single units or bulk—contact us for OEM or wholesale orders!

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R18, R18Z, R18ZZ, R18RS, R18-2RS Inch Deep Groove Ball Bearings 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm​) – Heavy-Duty Sealed Bearings for Industrial Motors, Pumps, Large Fans, Gearboxes & Machinery

R18, R18Z, R18ZZ, R18RS, R18-2RS Inch Deep Groove Ball Bearings 1-1/8"x2-1/8"x1/2" (28.575x53.975x12.7mm) – Heavy-Duty Sealed Bearings for Industrial Motors, Pumps, Large Fans, Gearboxes & Machinery