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4 in-stock alternatives found — cross-referenced equivalents ready to ship:

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1205 Deep Groove Ball Bearing
Ready to Ship
1205
NTN/SNR logo
25 × 52 × 15 mm
POAPrice Match
SealOpen
SNR Deep Groove Ball Bearing with Open seals measuring 25mm bore × 52mm outer diameter × 15mm width. Suited to electric motors, fans, pumps and general-purpose high-speed applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Equiv1205EC3TN91205EKTN9
In StockReady to ship
1205EC3TN9 Deep Groove Ball Bearing
Ready to Ship
1205EC3TN9
ISB logo
25 × 52 × 15 mm
POAPrice Match
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 25mm bore × 52mm outer diameter × 15mm width. Suited to electric motors, fans, pumps and general-purpose high-speed applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Equiv1205EKTN91205ETN9
In StockReady to ship
1205EKTN9 Deep Groove Ball Bearing
Ready to Ship
1205EKTN9
ISB logo
25 × 52 × 15 mm
POAPrice Match
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 25mm bore × 52mm outer diameter × 15mm width. Suited to electric motors, fans, pumps and general-purpose high-speed applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Equiv1205EC3TN91205ETN9
In StockReady to ship
1205ETN9 Deep Groove Ball Bearing
Ready to Ship
1205ETN9
ISB logo
25 × 52 × 15 mm
POAPrice Match
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 25mm bore × 52mm outer diameter × 15mm width. Suited to electric motors, fans, pumps and general-purpose high-speed applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
Equiv1205EC3TN91205EKTN9
In StockReady to ship

RLS8

Deep Groove Ball Bearing

Extended Stock2–5 day dispatch
POA
See how our price compares
ISO 9001 Certified UK Bearings Stockist
Koyo
Koyo logo

A robust single row radial ball bearing designed for moderate radial and axial loads.

Technical Dimensions & Load Ratings

Confirm these values match your shaft, housing and application requirements before ordering.

Dimensions

Bore Diameter (d)25mm
Outer Diameter (D)57mm
Width (B)16mm
Weight0.18kg

Load & Speed Ratings

Dynamic Load Rating (Cr)17.8kN
Static Load Rating (C0r)9.65kN
Reference Speed24000rpm
Koyo logo
Koyo Model
Extended Stock2–5 day dispatch

RLS8

Deep Groove Ball Bearing

POA
Price on Application

Technical Specifications

Identification
Part NumberRLS8
BrandKoyo
Bearing TypeDeep Groove Ball Bearing
Seal TypeOpen
MaterialHigh Carbon Chromium Steel
Dimensions
Bore (Inner Diameter)25 mm
Outer Diameter57 mm
Width / Thickness16 mm
Performance
Dynamic Load Rating (Cr)17.8 kN
Static Load Rating (C0r)9.65 kN
Reference Speed24,000 rpm
Approximate Weight0.18 kg

Enquire About the Koyo RLS8

Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.

Buy Bearings Support

Engineering support

Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.

Call us01709 878282
James, Buy Bearings engineering support specialist
Speak toJames

About the Koyo RLS8

The Koyo RLS8, is a deep groove ball bearing, in an open configuration for maximum speed and easy relubrication, featuring a 25mm bore, 57mm outer diameter, and 16mm width, manufactured from high carbon chromium steel, and is extended stock at Buy Bearings.

A robust single row radial ball bearing designed for moderate radial and axial loads.

Key Specifications

The RLS8 deep groove ball bearing is specified with 25mm bore (inner diameter), 57mm outer diameter, 16mm width, 17.8kN dynamic load rating, 9.65kN static load rating, 24,000rpm reference speed, 0.18kg approximate weight. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The high carbon chromium steel construction provides excellent wear resistance and durability in demanding operating conditions.

Common Applications

Deep Groove Ball Bearings are commonly used in:

electric motorspumpsfansconveyorshousehold appliancesgeneral industrial machinery

About Deep Groove Ball Bearings

Deep groove ball bearings are the most widely used bearing type, capable of carrying both radial and axial loads in either direction. Their low friction and high speed capability makes them suitable for a broad range of applications from electric motors to household appliances.

Why Buy the RLS8 from Buy Bearings?

  • UK-authorised distributor with genuine Koyo products
  • Expert technical support from our engineering team
  • Competitive pricing with fast UK dispatch
  • Full technical datasheet and cross-reference support
  • 30-day returns on standard products

Frequently Asked Questions

What is a RLS8 bearing?

The RLS8 is a Koyo Deep Groove Ball Bearing with a 25mm bore, 57mm outer diameter and 16mm width. It is Extended Stock at Buy Bearings.

What are the RLS8 dimensions?

The RLS8 measures 25mm bore (inner diameter) × 57mm outer diameter × 16mm width.

What does Open mean on a bearing?

Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.

Is the RLS8 in stock?

The RLS8 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).