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Timken QVVPA20V308ST is a two-bolt pillow block spherical roller mounted unit. This housed bearing features a V-Lock concentric locking collar for secure shaft attachment. It is designed for heavy-duty applications requiring high radial load capacity and tolerance to misalignment, such as conveyors, fans, and industrial gearboxes.
MODEL QVVPA20V308ST
$904.47 Each
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Returnable:No
0.076 mm Shaft size type
Imperial Y1 - Geometry Factor:2.85 Y2 - Geometry Factor:4.24 e - Geometry Factor:0.24
0.110 mm Shaft Size
3 1/2 in Shaft Tolerance:0.0030 in
0.140 mm Pre Install Clearance Min
0.0043 in
114.3 mm Dimension D Max
12.88 in
117.6 mm Eng Internal Radial Clearance - Max
0.0055 Eng Internal Radial Clearance - Min:0.0043 Engineering group:Mounted Bearing Float:0.083 in
15.5 mm Dimension SVV
4.63 in
24 mm Dimension RVV
0.61 in
276.4 mm Dimension J (Bolt Size)
0.875 in
327.2 mm Dimension D Min
10.88 in
Bearing number
22220 C - Dynamic Load (Basic):97700 lbf 435000 N C0 - Static Load:113000 lbf 502000 N Dimension:4.5 in
Bearing Number
22220
Dynamic Load (Basic)
97700 lbf
Eng Internal Radial ClearancMax
0.0055
Eng Internal Radial ClearancMin
0.0043
Engineering Group
Mounted Bearing
Float
0.083 in
Geometry Factor
2.85
Grease Lubrication - B/C/O Seal
900 rpm
Grease Lubrication - M/N Seal
1200 rpm
Grease Lubrication - T Seal
1600 rpm
Housing Construction
Two-Bolt Pillow Block
Locking Style
Double V-Lock
Oil Lubrication - B/C/O Seal
900 rpm
Oil Lubrication - M/N Seal
1200 rpm
Oil Lubrication - T Seal
2000 rpm
Pre Install Clearance Max
0.0055 in
Pre Install Clearance Min
0.0043 in
Shaft Size
3 1/2 in
Shaft Size Type
Imperial
Shaft Tolerance
0.0030 in
Static Load
113000 lbf
2-Bolt Pillow Block Bearings The **Timken QVVPA20V308ST SRB Housed Unit** is a high-performance 2-bolt pillow block bearing designed for robust applications requiring durability and reliability. Engineered by Timken, a global leader in bearings and industrial motion products, this unit provides superior support and alignment for rotating shafts while ensuring optimal performance in demanding environments. ## Key Features • **Durable Construction**: The housed unit features high-quality materials, ensuring longevity and resistance to wear in harsh conditions. • **Precision Engineering**: Designed with precision tolerances, the QVVPA20V308ST guarantees minimal friction and enhanced efficiency during operation. • **Versatile Mounting**: The 2-bolt design allows for easy installation and secure mounting, suitable for various applications. • **High Load Capacity**: Built to withstand heavy loads, this bearing supports a significant radial and axial load capacity, making it ideal for heavy machinery. • **Corrosion Resistance**: The unit is treated to resist corrosion, ensuring reliable performance even in challenging environmental conditions. ## Applications • **Industrial Machinery**: Perfect for use in conveyor systems, gearboxes, and other heavy-duty machinery where reliability is critical. • **Agricultural Equipment**: Suitable for various agricultural applications, providing dependable performance in demanding field conditions. • **Automotive**: Compatible with automotive assemblies where precision and durability are required. • **Material Handling**: Ideal for material handling equipment, enhancing operational efficiency and reducing downtime. ## Benefits • **Enhanced Performance**: The precision design and high-quality materials result in lower friction and improved operational efficiency, leading to reduced energy consumption. • **Increased Reliability**: Timken's commitment to quality ensures long-lasting performance and reduced maintenance needs, minimizing operational disruptions. • **Cost-Effective Solution**: By reducing downtime and maintenance costs, this bearing unit offers a cost-efficient solution for various industrial applications. --- *Product information compiled with AI assistance for reference purposes.*
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read moreHow do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more