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Timken QMCW18J090ST is a spherical roller mounted unit with a QMCW cartridge housing. This unit features a frame size 18 and setscrew (ST) locking for secure shaft attachment. The spherical roller bearing insert provides self-alignment capability for applications with potential shaft misalignment, such as conveyors, fans, and industrial gearboxes.
MODEL QMCW18J090ST
$963.20 Each
Prices are subject to change
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Returnable:No
0.060 mm Shaft Size
90 mm Shaft Tolerance:0.0030 in
0.076 mm Shaft size type
Metric Y1 - Geometry Factor:2.90 Y2 - Geometry Factor:4.31 e - Geometry Factor:0.23
0.100 mm Pre Install Clearance Min
0.0024 in
110.2 mm Dimension R
0.31 in
112.3 mm Dimension L Fix
4.34 in
120.9 mm Dimension B Exp
2.54 in
20 mm Dimension L Exp
4.42 in
219.2 mm Dimension J (Bolt Size)
0.75 in
62.5 mm Dimension BC
8.63 in
64.5 mm Dimension B Fix
2.46 in
7.9 mm Eng Internal Radial Clearance - Max
0.0039 Eng Internal Radial Clearance - Min:0.0024 Engineering group:Mounted Bearing Float:0.083 in
Bearing number
22218 C - Dynamic Load (Basic):79700 lbf 355000 N C0 - Static Load:87200 lbf 388000 N Dimension:4.76 in
Bearing Number
22218
C - Dynamic Load (Basic)
79700 lbf 355000 N
C0 - Static Load
87200 lbf 388000 N
Dimension B Exp
2.54 in 64.5 mm
Dimension B Fix
2.46 in 62.5 mm
Dimension BC
8.63 in 219.2 mm
Dimension C
4.76 in 120.9 mm
Dimension D
7.38 in 187.5 mm
Dimension E
6.1 in 154.9 mm
Dimension F
10.25 in 260.4 mm
Dimension G
7.375 in 187.3 mm
Dimension H
0.88 in 22.4 mm
Dimension J (Bolt Size)
0.75 in 20 mm
Dimension K
1.44 in 36.6 mm
Dimension L Exp
4.42 in 112.3 mm
Dimension L Fix
4.34 in 110.2 mm
Dimension M
2.59 in 65.8 mm
Dimension N
1.88 in 47.8 mm
Dimension R
0.31 in 7.9 mm
Dimension S
4.03 in 102.4 mm
Dynamic Load (Basic)
79700 lbf
e - Geometry Factor
0.23
Eng Internal Radial Clearance - Max
0.0039
Eng Internal Radial Clearance - Min
0.0024
Eng Internal Radial ClearancMax
0.0039
Eng Internal Radial ClearancMin
0.0024
Engineering Group
Mounted Bearing
Float
0.083 in 2.108 mm
Full Timken Part Number
QMCW18J090SB QMCW18J090SC QMCW18J090SEB QMCW18J090SEC QMCW18J090SEM QMCW18J090SEN QMCW18J090SEO QMCW18J090SET QMCW18J090SM QMCW18J090SN QMCW18J090SO QMCW18J090ST
Geometry Factor
4.31
Grease Lubrication - B/C/O Seal
1000 rpm
Grease Lubrication - M/N Seal
1400 rpm
Grease Lubrication - T Seal
2000 rpm
Housing Construction
Piloted Flange Cartridge
Locking Style
Eccentric
Oil Lubrication - B/C/O Seal
1000 rpm
Oil Lubrication - M/N Seal
1400 rpm
Oil Lubrication - T Seal
2400 rpm
Pre Install Clearance Max
0.0039 in 0.100 mm
Pre Install Clearance Min
0.0024 in 0.060 mm
Shaft Size
90 mm
Shaft Size Type
Metric
Shaft Tolerance
0.0030 in 0.076 mm
Static Load
87200 lbf
Y1 - Geometry Factor
2.90
Y2 - Geometry Factor
4.31
# Bearings The **TIMKEN QMCW18J090ST SRB Housed Unit** is a high-performance piloted flange bearing designed for demanding industrial applications. Engineered for reliability and efficiency, this housed unit ensures optimal performance in harsh environments, making it an essential component for various machinery setups. ## Key Features • **Robust Construction**: Made from high-quality materials, the QMCW18J090ST features a durable steel housing that provides exceptional resistance to wear and corrosion. • **Precision Engineering**: The bearing is designed with a tapered roller configuration, which minimizes friction and enhances load-carrying capacity. • **Easy Installation**: The piloted flange design allows for straightforward mounting, facilitating quick and hassle-free installation in various applications. • **Temperature Range**: Operates efficiently in a broad temperature range, ensuring performance stability in both hot and cold conditions. • **High Load Capacity**: Capable of handling significant radial and axial loads, making it suitable for heavy-duty applications. ## Applications • **Industrial Machinery**: Ideal for use in conveyor systems, processing equipment, and heavy machinery where durability and reliability are critical. • **Automotive**: Compatible with various automotive applications, providing dependable performance in vehicle assembly and maintenance. • **Aerospace**: Suitable for aerospace components where precision and weight efficiency are paramount. • **Energy Sector**: Effective in wind turbines and other energy generation equipment, contributing to the sustainability and efficiency of operations. ## Benefits • **Enhanced Reliability**: The robust design and quality materials ensure long-lasting performance, reducing downtime and maintenance costs. • **Improved Efficiency**: The precision-engineered components contribute to lower friction and improved energy efficiency in machinery. • **Versatile Compatibility**: Designed to fit a wide range of applications, allowing for flexible integration into existing systems. --- *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.
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SKU: 5066946
Best company to buy from
I always buy from MRO is a very reliable company to work with
Read more