null
X

Quality by name, Quality by nature

In line with our business name we only supply quality products from the World’s leading suppliers in our industry. We have long and extremely well-established agreements with the best-known names in engineering and manufacturing.

We realise the importance of quality and therefore will only ever supply fully guaranteed product, so you know when you buy from us you will never be let down.

Our suppliers include but are not limited to :-

X

Can't find your bearings?

We pride ourselves on being a world leader in customer service, our multi award winning team are fully trained to be able to meet your needs.

Whether we are fulfilling your stock orders or helping you with a breakdown we will ensure that each order is treated with the total care and attention it deserves. You will receive it as quickly as possible. Working with our delivery partners we ensure our quality service is evident from initial enquiry through to it arriving with you.

Contact one of our team to see how we can help you.

Contact Us

Phone: +44 113 323 7793

Email: sales@qualitybearingsonline.com

X

Standard International Delivery

The vast majority of our products are despatch the Same Day internationally, through DHL and with a delivery time of between 3 and 5 working days.

DHL - 3-5 Day DeliveryDelivery Cost
Order Value up to £250£35.00
Order Value £250 - £500£30.00
Order Value over £500Free

Click For more delivery options Click Here

SKF

RNNU4948B/SPW33 - SKF Precision Cylindrical Roller Bearing - 265x320x80mm

SKU:
rnnu4948b/spw33-skf
Availability:
In Stock
Bulk Pricing:
Click Here to Enquire
€5,158.20
Feefo logo

Description


Engineered to the highest standards, the RNNU4948B/SPW33 is a Double Row Super Precision Cylindrical Roller Bearing from SKF, specifically engineered to meet the demanding needs of high-speed industrial applications. This bearing has a modified internal design, a machined brass cage, and no inner ring. Whether you operate in the aerospace, robotics, or precision machinery industry, the RNNU4948 B/SPW33 is your go-to solution for ensuring optimal functionality and longevity. The dimensions of this RNNU4948B/SPW33 bearing are 265x320x80mm.

RNNU4948B/SPW33
Double Row No Inner Ring265mm - Bore SizeModified Internal DesignISO Tolerance Class 5 Dimensional Accuracy, Class 4 Running AccuracyAnnular Groove and Three Lubrication Holes in the Outer Ring

Key Features

Superior Precision

The bearing boasts dimensional accuracy at ISO tolerance class 5 and running accuracy at ISO tolerance class 4. Manufactured with these tight tolerances, the RNNU4948B/SPW33 bearing by SKF ensures exceptional accuracy and minimal operational deviation even in difficult operating conditions.

High-Speed Capability

The RNNU4948 B/SPW33 super precision bearing is designed to perform at high speeds without compromising stability. This makes it ideal for applications that demand rapid rotation.

Optimised Load Distribution and Carrying

The cylindrical roller design of the RNNU4948B/SPW33 bearing ensures even load distribution and carries heavy radial loads while maintaining a low cross-sectional height and low friction. This helps to enhance performance and ultimately extend the bearing’s lifespan.

Product Information


Brand:
SKF Brand Logo


SKU:
rnnu4948b/spw33-skf


Availability:
In Stock


Weight:
18.3000 KGS


Technical Data


Inside Diameter (mm):
265mm


Outside Diameter (mm):
320mm


Width (mm):
80mm


Clearance:
Standard


Seals Or Shields:
Open Type


Cage Type:
Machined Brass


Dynamic Load Rating (kN):
528


Fatigue Load Rating (kN):
118


Grease Limiting Speed (r/min):
2200


Oil Limiting Speed (r/min):
2600


Static Load Rating (kN):
1220


View AllClose

Product Information


Brand:
SKF Brand Logo


SKU:
rnnu4948b/spw33-skf


Availability:
In Stock


Weight:
18.3000 KGS


Technical Data



Inside Diameter (mm):
265mm


Outside Diameter (mm):
320mm


Width (mm):
80mm


Clearance:
Standard


Seals Or Shields:
Open Type


Cage Type:
Machined Brass


Dynamic Load Rating (kN):
528


Fatigue Load Rating (kN):
118


Grease Limiting Speed (r/min):
2200


Oil Limiting Speed (r/min):
2600


Static Load Rating (kN):
1220




View AllClose

Bulk Pricing


For bulk discount on this product, contact our dedicated sales team today by filling out the below form:

View AllClose

Delivery information


UK Delivery Details


At Quality Bearings Online, our orders are shipped using a signed for courier service. This is dependent on the order value. For orders over £50.00 in value our usual method of shipping is with a courier service and the majority of our orders are delivered next working day.

99% of orders delivered next working day if ordered before 3pm.

Our standard delivery for orders over £50.00 is free of charge to Mainland UK, orders under £50.00 will be charged £5.00 + VAT. Other delivery locations / times (see below) will incur additional charges.

Courier - Mainland UK - 1-2 Day Service

UPS Logo DHL Logo

Courier Service Delivery Cost
Standard Courier Service (Orders under £50.00) £5.00 + VAT
Standard Courier Service (Orders over £50.00) Free of Charge
Guaranteed Next Working Day Delivery (if ordered before 3pm) £10.00 + VAT
Next Working Day, Pre 12 Delivery (if ordered before 3pm) £15.00 + VAT
Next Working Day, Pre 10:30 Delivery (if ordered before 3pm) £20.00 + VAT
Saturday AM Delivery £30.00 + VAT

Courier - Scottish Highlands, Scottish Islands, Northern Ireland, Isle of Wight and Isle of Man

UPS Logo DHL Logo

Delivery LocationsDelivery CostDelivery Time
Scottish Highlands £16.00 + VAT 1 to 2 days
Scottish Islands £29.50 + VAT 2 to 3 days
Northern Ireland £25.00 + VAT 2 to 3 days
Isle of Wight £42.00 + VAT 2 to 3 days
Isle of Man £29.00 + VAT 2 to 3 days

If you have any specific delivery requirements call our sales team free on 0808 168 1234 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

USA Delivery Details


We have one of the largest online stocks of bearings and ancillary components avalable online anywhere in the world, and we take pride in great customer service, superb products, and express delivery to all 50 mainland US States.

98% of our products are typically despatched same day, with a 1-3 day delivery option to anywhere in the US.

All of our US Dollar website prices include Taxes and Duty.

1-3 Day Service

UPS Logo DHL logo

Order ValueDelivery Cost
$0.00 to $200.00 $15.00
Over $200.00 Free Of Charge

If you have any specific delivery requirements call our sales team on 646 465 8494 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

Republic of Ireland Delivery Details


We have one of the largest online stocks of bearings and ancillary components avalable online anywhere in the world, and we take pride in great customer service, superb products, and express delivery to the Republic of Ireland.

98% of our products are typically despatched same day, with a 1-3 day delivery option available.

Many of our clients choose our standard tracked DHL service, with a delivery time of between 1 and 3 working days.

However, we also offer an untracked postal service for smaller or lower value items. Note: The standard Royal Mail post service cannot be tracked, and deliveries may take up to 5 working days.

DHL 1-3 Day Service

DHL Logo

Order Value Delivery Cost
Up to €250.00 €25.00
Over €250.00 Free of Charge

If you have any specific delivery requirements call our sales team on +44 113 323 7793 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

European Delivery Details


We have one of the largest online stocks of bearings and ancillary components avalable online anywhere in the world, and we take pride in great customer service, superb products, and express delivery to Europe.

98% of our products are typically despatched same day, with a 1-3 day delivery option available.

Many of our clients choose our standard tracked DHL service, with a delivery time of between 1 and 3 working days.

However, we also offer a tracked economy service for smaller or lower value items. Note: The ecomony service deliveries may take up to 4 working days.

DHL 1-3 Day Service

DHL Logo

Order ValueDelivery Cost
Up to €250.00 €40.00
€250.00 to €500.00 €25.00
Over €500.00 Free of Charge

If you have any specific delivery requirements call our sales team on +44 113 323 7793 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

Australian Delivery Details


We have one of the largest online stocks of bearings and ancillary components avalable online anywhere in the world, and we take pride in great customer service, superb products, and express delivery to Australia.

98% of our products are typically despatched same day, with a 3 - 5 delivery option available.

DHL 3-5 Day Service

DHL Logo

Order Value Delivery Cost
Up to $250.00 $75.00
$250.00 to $500.00 $50.00
Over $500.00 Free of Charge

If you have any specific delivery requirements call our sales team on +44 113 323 7793 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

Canadian Delivery Details


We have one of the largest online stocks of bearings and ancillary components avalable online anywhere in the world, and we take pride in great customer service, superb products, and express delivery to Canada.

98% of our products are typically despatched same day, with a 1-3 day delivery option to anywhere in Canada.

All of our Canadian Dollar website prices include Taxes and Duty.

1-3 Day Service

DHL logo

Order ValueDelivery Cost
$0.00 to $200.00 $15.00
Over $200.00 Free Of Charge

If you have any specific delivery requirements call our sales team on 438 800 2658 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

International Delivery Details


We have one of the largest online stocks of bearings and ancillary components avalable online anywhere in the world, and we take pride in great customer service, superb products, and express delivery Worldwide.

98% of our products are typically despatched same day, with a 2-4 day delivery option available.

Many of our clients choose our standard tracked DHL service, with a delivery time of between 2 and 4 working days.

DHL 2-4 Day Service

DHL Logo

Order Value Delivery Cost
Up to £500.00 £50.00
Over £500.00 Free of Charge

If you have any specific delivery requirements call our sales team on +44 113 323 7793 or email us at sales@qualitybearingsonline.com and they will be happy to help you.

View AllClose

Spare Parts


Below are the description and part numbers to the additional spare parts you can purchase with your product.

Part Description

Part Number




View AllClose