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|Groove Type:||Deep Groove||Weight:||48 Kg|
|Inner Size:||734 Mm||Outer Ring Size:||948 Mm|
|Thickness:||56 Mm||Structure:||Z Type Flange Rotary Bearing|
|Rolling Element:||Steel Ball||Material:||50Mn, 42CrMo4|
rotary table bearing,
swivel plate bearing
Mechanical Hand Flange Rotary Bearing Single Row 48kg Deep Groove High Temp
Rotary support for maintenance and lubrication.
(1) the rotary support shall be provided with a small number of the two extreme pressure lithium base grease (gb7324-1994). The user shall refill the new grease according to different working conditions.
(2) rotary support roller should be regularly filled with grease. General ball bearing once every 100 hours refueling operation, refueling operating 50 hours each roller type, special working environment, such as tropical, high humidity, dust, temperature change is big and continuous work, should reduce the cycle of the lubrication. New grease must also be added before and after the machine stops running. Grease must be filled in the raceway every time until it is seeped from the seal. When lubricating grease, turn the rotary support slowly to fill the grease evenly.
(3) the tooth surface should always remove sundries and apply the corresponding grease in time.
(4) the pre-tightening force of the bolt should be checked after 100 hours of first operation. For every 500 hours thereafter, sufficient pretension must be maintained.
(5) in the operation of the rotary support, if the noise, impact and power suddenly increase, the machine should be shut down for inspection immediately, troubleshooting, and disassembly if necessary.
(6) it is better to take protective measures to avoid the adverse effects caused by dust, rain, flooding and high temperature. To close or enter the teeth meshing area.
(7) always check the good condition of the seal. If it is found that the seal belt is damaged, it should be replaced in time. If it is found, it should be reset in time.
The limiting speed (rmp) of various rotary supports under normal conditions is as follows:
Rotary support type
Extreme speed (n.D. M)
Cross roller type
From 24000 to 35000
The ball type
From 40000 to 65000
The ball belt holds the rack.
From 70000 to 130000
Where n is the limit speed Dm is the diameter unit of raceway center (RPM)
Corresponding number of rotary supporting materials:
The number of foreign brands corresponding to 50Mn is.
National standard products,
American standard product 1050,1053.
Japanese standard products
British standard 080A52,080M50.
The French standard
The Soviet standard 50 Г
42CrMo corresponds to foreign brand name.
International standard organization no. :
Corresponding Japanese brand number:
Corresponding German brand number:
42 crmo4 or 1.7225
4140 or G41400
|The limiting speed of various rotary supports under normal conditions is as follows:|
|Rotary support type||Lubrication type||Extreme speed (n.D. M)(n.Dm)|
|Extreme speed (n.D. M)||Standard grease||24000to35000|
|balls type||Standard grease||40000to65000|
|The ball belt holds the rack.||greased or oiled||70000to130000|
|Where n is the limit speed Dm is the diameter unit of raceway center (RPM)|
|rotary support bearing material|
|The number of foreign brands corresponding to 50Mn|
|National standard||American standard 1050,1053||Japanese standard products||British standard 080A52,080M50.080A52,080M50||The French standard||The Soviet standard 50 Г|
|42CrMo corresponds to foreign brand name.|
|International standard organization no. :||Corresponding Japanese brand number:||Corresponding German brand number:||American brand:|
|42CrMo4||SCM440||42CrMo4 or1.7225||4140 or G41400|
|cage material||glass fiber reinforced phenolic resin||rolling element row||single row||groove type||deep groove|
|Product feature||magnetically||bearing material||50Mn||seal type||2RS|
|assemble method||TT||Rolling element||steel balls|
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