Wholesale Slew Ring RB24025 Crossed Roller Bearing Parts With High Precision
Wholesale Slew Ring RB24025 Crossed Roller Bearing Parts With High Precision
Wholesale slew ring RB24025 crossed roller bearing parts with high precision
Bearing model number: | RB24025 |
Bearing types | cross roller slewing bearing |
Bearing material | 50Mn/steel |
Sahft diameter | 240mm |
D(outer ring) | 300mm |
d(inner ring) | 240mm |
Dp(roller pitch circle diameter) | 269mm |
B B1(width) | 25mm |
Greasing hole | 2 |
r(min)(Chamfer) | 3 |
Shoulder height ds | 256mm |
Shoulder height Dh | 281mm |
Basic load rating(radial) Cr | 68.3kN |
Basic load rating(radial) Cor | 145kN |
Rotation accuracy | P5/P4/P2 |
Mass | 4.5kgs |
Working temperature | -15℃-80℃ |
Features of crossed roller bearings
1.Structure features:
With the Cross Roller Bearing, cylindrical rollers are aranged croswise, with each roller perpendicular to the adjacent roller,in a 90°V groove, separated from each other by a spacer retainer. This design allows just one bearing to receive loads in all directions including, radial, axial and moment loads, Since the Cross-roller ring achieves high rigidity and the precision can reach up to p5,p4.p2, despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling uits of industrial robots, swiveling tables ofmachinine centers, precision rotary tables, medical eouipmen, measuring instruments and iC manufacturing machines.
2.Rotation accuracy:
The spacer retainer fiting among cross-arrayed rollers prevents rollers from skewing and the rotation torque from increasing due to friction between rollers. Unlike conventional types using steel sheet retainers,the Cross Roller Bearing des not cause displacement or locking of rollers and provides a stable rotation torque. Since the inner and ouer rings are designed to be separable, the bearing clearance can be adjusted. in addition, highly accurate rotary motion is ensured through adjusting the bearing clearance to provide a preload.
3.Usage characteristics:
The inner and outer rings, which are separable, are secured to the Cros Roller Bearing body afer the rollers and spacer retainers are installed. This procedure prevents the rings from separating from each other. Thus,it is easy to handle the rings when installing the Cross Roller Bearing. The spacer retainer keeps rollers in their proper position, thereby preventing them from skewing. This eliminates friction between rollers, and therefore secures a stable rotation torque.the cross array of rollers allows a single Cross Roller Bearing unit to receive loads in all directions, increasing the rigidity to three to four times greater than the conventional type.
More types we can Manufacture:
RB3010 RB3510 RB4010 RB4510
RB5013 RB6013 RB7013
RB8016 RB9016
RB10016 RB10020
RB11012 RB11015 RB11020
RB12016 RB12025
RB13015 RB13025
RB14016 RB14025
RB15013 RB15025 RB15030
RB16025
RB17020
RB18025
RB19025
RB20025 RB20030 RB20035
RB22025
RB24025
RB25025 RB25030 RB25040
RB30025 RB30035 RB30040
RB35020
RB40035 RB40040
RB45025
RB50025 RB50040 RB50050
RB60040
RB70045
RB80070
RB90070
RB1000110
RB1250110
Any interest or more details, please feel free to contact us.
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High quality RB24025 ( 4.5 kg Mass, ID: 240 mm OD: 300 mm WD: 25 mm , single row Rows , 0.01 Radial Clearance , P5/P4/P2 Accuracy Class , 42CrMo/50Mn/custom Material , 68.3 Radial dynamic , 145 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. RB24025. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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