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7004AC Bearing 20x42x10mm
1.Angular contact ball bearing
Can withstand the big radial load mainly double row angular contact ball bearing radial and axial joint load and torque load, limit the axial displacement of the shaft of the two aspects. Mainly used for limiting the axial displacement of the shaft and housing bidirectional component
2.Structure variable
(1) A outside diameter less than or equal to 90mm bearing standard design. No ball filling gap, two-way axial load it can bear equal. Using light glass fiber reinforced nylon 66 retainer, bearing temperature rise is very small.
(2) A outside diameter greater than 90mm bearing standard design. Side of ball filling gap, equipped with steel stamping cage or solid brass cage.
(3) belongs to E type reinforced type structure, the side with ball gap, can hold more of the ball, so the carrying capacity is higher.
(4) two with a dust cover type and two with a double ring type A design and E design of sealed angular contact ball bearings can both sides with a dust cover (non-contact) or the sealing ring (contact). Sealed bearing interior is filled with antirust lithium base grease, operation temperature from -30 to +110 °C. During use without lubrication, should not be heated before installation, should not wash.
3.The method of bearing installation:
(1) Cleaning bearings and related components;
(2) Check the connected components of size and finishing machining;
(3) Installation
(4) Inspection of the bearings after installed;
(5) The supply of lubricant.
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