NTB1831 IKO

[tab name='Specification']
Part Number: NTB1831

Brand: IKO

Bearing Type: Needle Roller Thrust Bearing

Dimension(s):
Inside Diameter (d) = 18mm
Outside Diameter (D) = 31mm
Roller Width (Dw) = 2mm

Other Dimension(s):
(Cᵢ) = 21mm
(Cₑ) = 29mm

Load Rating(s):
Basic Dynamic Load Rating (kN) = 9.55
Basic Static Load Rating (kN) = 34.4

Speed Limitation(s):
Allowable Rotational Speed - Oil Lubrication - (r/min) = 10000
Allowable Rotational Speed - Grease Lubrication - (r/min) = 2500

Compatible Thrust Washer = AS1831
Compatible Inner Ring = WS1831
Compatible Outer Ring = GS1831

Alternative Part Number(s):
AXK1831
[tab name='More Information']
Needle roller thrust bearings are specialised bearings designed to handle high axial loads in applications where limited space is available. They belong to the family of thrust bearings and are particularly well-suited for use in compact machinery and equipment.

The unique design of needle roller thrust bearings consists of a series of needle rollers arranged in a cage or retainer. These needle rollers have a cylindrical shape with a significantly smaller diameter compared to their length. This design allows for a high load-carrying capacity while occupying minimal space.

The needle rollers in a thrust bearing are held in place by a cage, which ensures proper spacing and alignment between the rollers. The cage is typically made of steel or plastic and provides guidance for the rollers, preventing them from contacting each other directly.

One notable advantage of needle roller thrust bearings is their ability to handle both axial loads and some radial loads. While primarily designed for axial loads, the needle rollers in these bearings also have some capacity to accommodate limited radial forces.

Needle roller thrust bearings are commonly used in applications such as automotive transmissions, agricultural machinery, construction equipment, and industrial gearboxes. They are particularly useful in applications where space is limited and a high load capacity is required.

Due to the compact design and efficient load-carrying capability of needle roller thrust bearings, they offer excellent performance, reliability, and durability. These bearings are manufactured to tight tolerances and undergo rigorous quality control measures to ensure their precision and functionality.

In summary, needle roller thrust bearings are essential components in machinery and equipment where axial loads need to be efficiently transmitted while minimising space requirements. With their compact design, high load capacity, and versatility in handling both axial and limited radial forces, these bearings provide reliable and effective solutions for various industries and applications.
[tab name='Shipping']
United Kingdom

Providing your required item is in-stock at one of our UK branches, your goods will be shipped on the same day if ordered before 16:00 (BST).

Most of our items are held in-stock at one of our UK based branches, however some items or larger quantities may be subject to a longer preparation or delivery time. If this extended delivery time applies to your product, we will notify you as soon as possible. You will then have the opportunity to request a full refund if your order is no longer required.

Orders exceeding £100 value will qualify for free shipping (UK Mainland Only).



International

Providing your required item is in-stock at one of our UK branches, your goods will be shipped on the same day if ordered before 13:00 (BST).

Most of our items are held in-stock at one of our UK based branches, however some items or larger quantities may be subject to a longer preparation or delivery time. If this extended delivery time applies to your product, we will notify you as soon as possible. You will then have the opportunity to request a full refund if your order is no longer required.

Shipping costs are calculated at checkout - just add your required items to the basket and fill in your delivery details to view the price for your shipment.

We currently export bearings, power transmission and linear motion products to over 100 countries worldwide, offering express shipments for deliveries in as little as 3 days.
[tab name='Returns']
Returns are accepted within a 14-day period, and goods will only be accepted if the following criteria is met:


• Goods are still in the original, undamaged packaging
• The item has not been used, fitted or modified
• You have notified us no later than 14 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 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, refunds will be made to the credit / debit card or PayPal account that was used to make the initial purchase.

If any more information is required, please feel free to call or email our customer support team, and we’d be happy to assist.