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Deep Groove Ball Bearing


Deep Groove Ball Bearing
ISB Deep Groove Ball Bearing with Open seals measuring 240mm bore × 300mm outer diameter × 50mm 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.
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Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
ISB Deep Groove Ball Bearing with Open seals measuring 240mm bore × 300mm outer diameter × 50mm 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.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Confirm these values match your shaft, housing and application requirements before ordering.
| Bore Diameter (d) | 240mm |
| Outer Diameter (D) | 300mm |
| Width (B) | 50mm |

Deep Groove Ball Bearing
| Part Number | 81148M |
| Brand | ISB |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Material | Chrome Steel (SAE 52100) |
| Bore (Inner Diameter) | 240 mm |
| Outer Diameter | 300 mm |
| Width / Thickness | 50 mm |
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Download full specifications for 81148M — dimensions, load ratings, and material data.
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The ISB 81148M, is a deep groove ball bearing, in an open configuration for maximum speed and easy relubrication, featuring a 240mm bore, 300mm outer diameter, and 50mm width, manufactured from chrome steel (sae 52100), and is in stock at Buy Bearings.
ISB Deep Groove Ball Bearing with Open seals measuring 240mm bore × 300mm outer diameter × 50mm 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.
The 81148M deep groove ball bearing is specified with 240mm bore (inner diameter), 300mm outer diameter, 50mm width. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel (sae 52100) construction provides excellent wear resistance and durability in demanding operating conditions.
Deep Groove Ball Bearings are commonly used in:
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.
The 81148M is a ISB Deep Groove Ball Bearing with a 240mm bore, 300mm outer diameter and 50mm width. It is In Stock at Buy Bearings.
The 81148M measures 240mm bore (inner diameter) × 300mm outer diameter × 50mm width.
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
The 81148M is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Same deep groove ball bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.







