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Nachi Bearing 7311B Angular Contact Ball Bearing Single 40 55mm Inner Diameter x 120mm Outer Diameter x 29mm Width Angular Contact Ball Bearing - Single - 40°
MODEL 7311B
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Obsolete
This item is no longer available on MROSupply.com, however we have this identical replacement.
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Typically Ships in: 1 day
Returnable:No
Bore Type
Cylindrical
Cage Material
JIS SPCC Steel
Contact Angle (Deg)
40
Dynamic Load Capacity (N)
81000
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)
4500
Limiting Speed - Oil (RPM)
6200
Max Operating Temp.
120°C (248°F)
Outer Diameter (mm)
120
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Snap Ring
No
Static Load Capacity (N)
58000
Universally (Flush) Ground
No
Width (mm)
6200
The single-row angular contact ball bearing was designed to support radial, axial or composite loads, however, the axial load must be in one direction. The high thrust capacity is achieved by a higher shoulder on one side of the outer ring. The direction of the load through the balls forms the contact angle. The thrust capacity increases with the contact angle. The BMU bearings are commonly referred to as thrust bearings. These bearings have a 40 deg contact angle to accept heavy axial loads. The bearings have Universally Flush Ground rings to facilitate mounting in multiple bearing sets. The inner and outer rings have identical widths. These bearings can be mounted as DB, DF and DT pairs or can be combined into triplex and quadraplex sets. When two bearings are mounted together, a clearance or preload may be obtained without the use of shims or spacers. This bearing has a machined brass cage and is not available with seals or shields. These bearings are most commonly used in vertical pump and motor applications. Higher precision. Increased speed and load carrying capacity. Support radial, axial or composite loads in only one direction. Capable of moment loads if used in pairs. Machined brass cage. Energy efficient. Low noise. The raceways of both the inner and outer rings of this bearing type are made with a set contact angle. This bearing type is generally used in adjacent positions.
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