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Nachi Bearing 21317EXQW33C3 Spherical Roller Bearing 85mm Inner Diameter x 180mm Outer Diameter x 41mm Width Spherical Roller Bearing
MODEL 21317EXQW33C3
Contact supplier for technical support on: 800-829-5787
$304.41 Each
Prices are subject to change
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Returnable: See conditions
Bore Type
Cylindrical
Cage Material
JIS SPCC Steel
Contact Angle (Deg)
N/A
Dynamic Load Capacity (N)
415000
Grease Fill
No Fill
Inner Diameter (mm)
85
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
C3
ISO Precision Class
P0
Limiting Speed - Grease (RPM)
3300
Limiting Speed - Oil (RPM)
4200
Max Operating Temp.
200°C (392°F)
Outer Diameter (mm)
180
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Snap Ring
N/A
Static Load Capacity (N)
372000
Universally (Flush) Ground
N/A
Width (mm)
4200
Double-rowed spherical roller bearings are the workhorse of the industry. Their barrel shaped rollers and spherical outer ring raceway permits this bearing to operate with misalignment with no reduction in bearing life. Spherical roller bearings are used mostly in heavy duty industrial applications where extreme radial loads exist. They also excel in handling axial loads in either direction, contaminated environments, misalignment, shock loads and vibration. Nachi Sphericals are manufactured in a number of design and material configurations depending upon the type of application and the size of the bearing. Most come standard with a lubrication groove and holes (W33) on the OD of the outer ring. Symmetrical or Asymmetrical (A) rollers may be used with stamped steel or machined brass cages. The "EX" design uses larger diameter rollers for the highest load ratings. All bearings are heat stabilized to at least 200 deg C (about 400 deg F). Some sizes may be available with tapered bores (K). Depending upon design, stamped steel or machined brass cages are used. Commonly used in gearboxes, wind turbines, pumps, mining/construction, marine propulsion and drilling equipment. Long life. Low friction/torque. Low operating temperature. Reduced noise and vibration. Improved roller roundness and raceway accuracy. Enhanced surface finishes result in improved lube film. Self-aligning in low and high speed applications. Press fitting adapter sleeves make internal clearance adjustment.
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