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Nachi Bearing 5311 Double Row Angular Contact Ball Bearing Open 20 55mm Inner Diameter x 120mm Outer Diameter x 49.2mm Width Double Row Angular Contact Ball Bearing
MODEL 5311
Contact supplier for technical support on: 800-829-5787
$140.68 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Bore Type
Cylindrical
Cage Material
JIS S55C Steel
Closure Type
Open
Contact Angle (Deg)
20°
Dynamic Load Capacity (N)
112000
Grease Fill
No Fill
Inner Diameter (mm)
55
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
CN/C0
ISO Precision Class
P0
Limiting Speed - Grease (RPM)
4000
Limiting Speed - Oil (RPM)
5500
Max Operating Temp.
120°C (248°F)
Number of Rows
2
Outer Diameter (mm)
120
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Series
5300
Snap Ring
No
Static Load Capacity (N)
86500
Universally (Flush) Ground
N/A
Width (mm)
5500
A double-row angular contact ball bearing is basically two single-row angular contact ball bearings with 20 deg contact angles, mounted back-to-back while contained within a narrower single bearing. These bearings occupy less axial space and can take a bi-directional axial, radial and moment loads in one bearing where it takes a matched pair otherwise. More economical than two matched single-row angular contact bearings. Single bearing yields handling and mounting benefits. More compact than two single-row bearings. Support radial and axial loads in either direction. Capable of some moment load. Sealed bearings are maintenance-free. Low noise. Energy efficient. Cost effective. Reduced friction. Long life.
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