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QMCW18J090ST

Image for Illustration purposes only. Actual product may vary

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

BRAND

SKU

5984581

UOM

each

$963.20 Each

Prices are subject to change

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Typically Ships in: 1 day

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

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I always buy from MRO is a very reliable company to work with

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How 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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Reviews

SKU: 5066946

Best company to buy from

I always buy from MRO is a very reliable company to work with

Read more