21316GMEXW33 Rollway

[tab name='Specification']
Part Number: 21316GMEXW33

Brand: Rollway

Bearing Type: Spherical Roller Bearing

Dimension(s):
Inside Diameter (d) = 80mm
Outside Diameter (D) = 170mm
Width (B) = 39mm
Radius (r₁) = 4.3mm

Load Rating(s):
Basic Dynamic Load Rating (kN) = 285.6
Basic Static Load Rating (kN) = 310

Speed Limitation(s):
Allowable Rotational Speed - Grease Lubrication (r/min) = 3230
Allowable Rotational Speed - Oil Lubrication (r/min) = 4505

Calculation Factor(s):
(e) = 0.23mm
(Y₁) = 2.92mm
(Y₂) = 4.35mm
(Y₀) = 2.86mm

Cage Type: Single Piece Brass Cage (GMEX)

Angular Misalignment: 1°

Clearance: CN (Normal)

Outer Ring Surface Design: W33 (Lubrication Groove with 3 Lubrication Holes)

Maximum Operating Temperature: 120°C
[tab name='More Information']
A spherical roller bearing is a type of rolling element bearing that is designed to accommodate heavy radial loads and moderate axial loads in various applications. It consists of an inner ring with two rows of barrel-shaped rollers, an outer ring with a spherical raceway, and a cage to retain the rollers in their positions.

The unique design of a spherical roller bearing allows it to self-align, compensating for shaft misalignment and deflection. This feature helps to reduce stress and prolong the bearing's service life. The spherical shape of the outer ring raceway enables the bearing to accommodate misalignment without causing excessive friction or wear.

Spherical roller bearings are constructed using high-quality materials and advanced manufacturing techniques. The rollers are precision-ground and heat-treated to ensure optimal load distribution and durability. The inner and outer rings are typically made from high-grade steel, providing excellent strength and resistance to wear.

These bearings are widely used in industries such as mining, construction, paper mills, and heavy machinery, where they are subjected to heavy loads and challenging operating conditions. Spherical roller bearings can operate at high speeds and withstand shock loads, making them suitable for demanding applications.

Key features of spherical roller bearings include high load-carrying capacity, excellent misalignment compensation, low friction, and long service life. They are available in various sizes and configurations to suit different application requirements. Proper lubrication is crucial to maintain the bearing's performance and prevent premature failure.

In summary, spherical roller bearings are versatile and reliable components used in a wide range of industrial applications. Their ability to handle heavy loads, accommodate misalignment, and withstand harsh operating conditions makes them essential for ensuring the smooth operation of machinery and equipment.
[tab name='Shipping']
Any products held in stock at one of our UK branches will be despatched same day if ordered before 16:00.


Most of our items are held in stock at one of our UK based branches, however some items may be subject to longer deliveries. If the extended delivery period applies to your order, we will notify you as soon as possible. You then have the decision to receive a full refund if the item is no longer required.
[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.