The NJ308EJ cylindrical roller bearing is a high-performance radial bearing designed to accommodate substantial radial loads and moderate axial loads in one direction. The "NJ" designation indicates that the bearing has one flanged outer ring and a cylindrical inner ring, which allows for axial displacement of the inner ring within certain limits. This makes the bearing suitable for applications where axial movement is required in one direction.
The "E" in the part number signifies an enhanced design with improved internal geometry, resulting in higher load-carrying capacity and greater durability compared to standard cylindrical roller bearings. The "J" suffix typically indicates that the bearing is equipped with a pressed steel cage, which helps to maintain the correct spacing between the rollers, reduces friction, and ensures smooth, efficient operation even under high load and speed conditions.
The NJ308EJ bearing is commonly used in a variety of industrial applications, such as electric motors, gearboxes, pumps, and other rotating machinery. Its robust design allows for reliable and long-lasting performance, even in demanding environments where axial displacement and high radial load support are needed. This bearing is particularly well-suited for applications requiring minimal maintenance and high efficiency.
Principal Dimensions
d: 40mm
D: 90mm
B: 23mm
Radial clearance class: Standard
Mass: 660g
Basic Load Ratings
Dynamic: 81.5 kn
Static: 78.0 kn
Limiting Speeds
Grease: 6,300 min-1
Oil: 7,500 min-1
Spend over £50 (excl VAT) and your Shipping is FREE. UK Mainland Only.
We offer a range of shipping options to suit you.
Royal Mail Standard Shipping
£2.00 - Our cheapest shipping method for parcels up to 500g. Parcels are sent using the Royal Mail standard shipping service and usually take 2-5 working days to arrive. This service isn’t tracked at any stage until point of delivery.
Royal Mail Tracked 48
£4.00 - Parcels up to 2kg. Their aim is to deliver in 2-3 working days. You will receive an email from Royal Mail with full tracking details.
Next Working Day – UK Mainland Only
£8.50 – Orders placed before 4pm will be received the next working day, Monday to Friday. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail Next Day.
Northern Ireland 2 Day Service
£15.00 – This is a two day service to Northern Ireland. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail.
Northern Ireland Next Day Service
£35.00 - This is a next day service to Northern Ireland. You will receive an email with full tracking details. We tend to use UPS, DPD or Royal Mail Next Day.
Next Working Day AM – Pre 12 UK Mainland Only
£20.00 - Orders placed before 4pm will be received the next working day before Midday. You will receive an email from the courier with full tracking details. We tend to use UPS, DPD or Royal Mail.
Next Working Day AM – Pre 10.30 UK Mainland Only
£25.00 - Orders placed before 4pm will be received the next working day before 10.30am. You will receive an email from the courier with full tracking details.
Scottish Islands 2-3 Day Service
£25.00 - This is a two to three day service. You will receive an email from the courier with full tracking details.
Scottish Highlands 2-3 Day service
£35.00 - This is a two to three day service. You will receive an email from the courier with full tracking details.
SAME DAY TAXI – Please call 01709 527269 for a quote and we will try to accommodate where possible.
Click and Collect
FREE - We offer a Click & Collect service for customers that are able to collect from our premises at Bearing King. Unit 5, Northfield Business Park, Parkgate, Rotherham S60 1SD United Kingdom.
Please note, you will be notified by email when your order is available for collection.
Shipping Internationally – Europe and Rest of the World
We offer a range of options for shipping around the world. These choices will be displayed dependent on your shipping location once the item is in your basket and you are ready to Checkout.
Returns Policy
1. You may return an unused item in new condition unless faulty within 30 days of receipt. Damaged or used goods cannot be refunded.
2. A copy of our returns form must be included with the returned goods.
3. Customers will be responsible for the original and return shipping charges unless our customer service department determines that we are at fault for an order error or product defect. Bearing King will not be responsible for any return item lost in transit.
4. Once we receive the package and the goods are checked, we will refund you by the payment method used when the order was placed.
5. Please allow 3-5 days for your return to be processed or exchange to be sent.
