CRB25040C1 IKO Crossed Roller Bearing 250mm X 355mm X 40mm
Part Number: CRB25040C1
Manufacturer: IKO
Bearing Type: Crossed Roller Bearing
Basic Dimension(s): 250mm X 355mm X 40mm
Dimension(s):
Internal Diameter (d) = 250mm
External Diameter (D) = 355mm
Width (B) = 40mm
Radius (r min) = 2.5mm
Mounting Dimension (da) = 271mm
Mounting Dimension (Da) = 330mm
Load Rating(s):
Basic Dynamic Load Rating = 215000N
Basic Static Load Rating = 382000N
Allowable Rotational Speed (Grease Lubrication): 50,000 r/min
Allowable Rotational Speed (Oil Lubrication): 75,000 r/min
Operating Temperature Range: -20°C to +120°C
Radial Internal Clearance: 0µm to 25µm
Crossed roller bearings represent a sophisticated engineering solution for applications demanding high precision, load capacity, and rigidity in a compact package. These bearings are designed with a unique arrangement of cylindrical rollers that are crossed at a 90-degree angle between inner and outer rings.
The distinctive crossed roller configuration enables these bearings to accommodate both radial and axial loads simultaneously, while maintaining exceptionally low friction and precise motion control. This design feature enhances load distribution, minimizes stress concentrations, and ensures smooth operation even under heavy loads and high-speed conditions.
Crossed roller bearings are renowned for their outstanding rigidity, which is critical for maintaining positional accuracy and stability in precision machinery and equipment. This inherent stiffness allows for precise positioning and repeatability, making them ideal for applications such as robotics, machine tools, semiconductor manufacturing, and medical devices.
Furthermore, crossed roller bearings are characterized by their compact design, which enables them to fit into tight spaces and optimize machine layouts. This space-saving feature makes them particularly advantageous in applications where installation space is limited or weight reduction is essential.
Manufactured to the highest quality standards using advanced materials and production techniques, crossed roller bearings offer exceptional reliability and durability even in demanding operating environments. They are available in various sizes, configurations, and precision classes to suit diverse application requirements.
In summary, crossed roller bearings combine high load capacity, precision, rigidity, and compactness, making them an indispensable component in a wide range of industrial and precision engineering applications where superior performance and accuracy are paramount.
UPS / FedEx Express Delivery (upto 5kg) - £9.00
UPS / FedEx Express Delivery (5-10kg) - £10.00
UPS / FedEx Express Delivery (10-20kg) - £12.00
Royal Mail 1st Class (upto 1kg) - £4.00
Royal Mail 1st Class (1-2kg) - £4.75
Royal Mail 2nd Class (upto 1kg) - £2.50
Royal Mail 2nd Class (1-2kg) - £3.50
*Please note, orders despatched on Royal Mail DOES NOT include any tracking information. Please allow 2-3 days for 1st Class, and 4-5 days for 2nd Class services.
*UPS and FedEx tracking numbers will be available after 5:30pm on the date of despatch and will be sent to the email address provided when placing your order.
*All orders exceeding £100 value will qualify for FREE express delivery!
* Orders must placed before 3:30pm for the above despatch methods.
Order by 3.30pm (Mon-Fri) for the following delivery
Service | Weight | Delivery Times (Mon-Fri) | Approx. Price | ||
Express | Up To 5kg | 1-2 Working Days | £9.00 | (Subject to VAT) | |
Over 5-10kg | £10.00 | ||||
Over 10-20kg | £12.00 | ||||
1st Class | Up To 1kg | 1-3 Working Days | £4.00 | ||
Order 1kg To 2kg | £4.75 | ||||
2nd Class | Up To 1kg | 2-5 Working Days | £2.50 | ||
Over 1kg To 2kg | £3.50 | ||||
Free express delivery on orders with a net value over £100.00 (UK Mainland only) |
If you need to return an item, please call our customer service team on (+44) 1484 515360 or email us at sales@bearingsrus.co.uk.
You will need to provide the following:
- Name
- Order Number
- Product Part Number
- Date of Order
Returns are accepted within a 90-day period, and goods will only be accepted if the following criteria is met:
- Goods are still in the original, undamaged, and unopened packaging.
- The item has not been used, fitted, modified, or damaged.
- You have notified us no later than 90 days since receipt of goods.
Any products or quantities that have been sourced specifically to complete your order will be exempt from our standard returns policy and will be subject to handling charges. The rate of the handling charge is dependent on our suppliers’ current rates.
Products such as timing belts and ribbed belts that have been cut to your specification are also exempt from our standard returns policy.
Products that are ordered in error can also be returned, however the incurred costs for shipping will not be refunded.
Once inspection of goods has been carried out, a refund issued to the payment method used to make the initial purchase.