The RB4010UUCC0 Cross roller bearing represents advanced engineering in precision rotary motion systems. This compact bearing features an integrated inner ring design with a split outer ring configuration, specifically engineered for high-rigidity applications requiring exceptional load-bearing capacity. The crossed-roller architecture provides simultaneous handling of radial, axial, and moment loads within a single bearing unit. With hermetic seals protecting against contamination and precise dimensional specifications, the product delivers reliable performance in demanding industrial environments where accuracy and durability are essential requirements.


Cross roller bearings solve critical engineering challenges in modern precision equipment. Traditional ball bearings handle primarily radial loads, while angular contact bearings manage combined loads but require complex mounting arrangements. The crossed-roller design eliminates these limitations through perpendicular roller placement in specially machined raceways.
The structural configuration consists of cylindrical rollers positioned orthogonally at 90-degree intervals within V-groove raceways. This arrangement creates line contact between rollers and races, distributing loads more effectively than point contact systems. The result is superior stiffness, higher load capacity, and enhanced rotational accuracy in compact packaging.
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Bearing Designations
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Boundary Dimensions(mm)
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Basic Load Rating
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Shoulder Height
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Weight(kg)
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d
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D
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B
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r min
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C
(KN)
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Co
(KN)
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ds
(mm)
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Dh
(mm)
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RB2008
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20
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36
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8
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0.5
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3.23
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3.1
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23.5
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30.5
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0.04
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RB2508
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25
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41
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8
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0.5
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3.63
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3.83
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28.5
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35.5
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0.05
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RB3010
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30
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55
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10
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0.6
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7.35
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8.36
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37
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47
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0.12
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RB3510
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35
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60
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10
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0.6
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7.64
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9.12
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41
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51.5
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0.13
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RB4010
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40
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65
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10
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0.6
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8.33
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10.6
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47.5
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57.5
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0.16
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RB4510
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45
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70
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10
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0.6
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8.62
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11.3
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51
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61.5
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0.17
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RB5013
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50
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80
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13
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0.6
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16.7
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20.9
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57.4
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72
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0.27
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RB6013
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60
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90
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13
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0.6
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18
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24.3
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68
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82
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0.3
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RB7013
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70
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100
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13
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1
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19.4
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27.7
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78
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92
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0.35
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RB8016
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80
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120
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16
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1
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30.1
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42.1
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91
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111
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0.7
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RB9016
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90
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130
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16
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1.5
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31.4
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45.3
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98
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118
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0.75
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RB10016
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100
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140
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16
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1.5
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31.7
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48.6
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109
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129
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0.83
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RB10020
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100
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150
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20
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1.5
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33.1
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50.9
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113
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133
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1.45
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RB11012
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110
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135
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12
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1
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12.5
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24.1
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117
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127
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0.4
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RB11015
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110
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145
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15
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1
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23.7
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41.5
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122
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136
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0.75
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RB11020
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160
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133
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20
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1.5
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34
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54
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120
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143
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1.56
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RB12016
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120
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150
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16
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1.5
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24.2
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43.2
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127
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141
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0.72
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RB12025
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120
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180
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25
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1
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66.9
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100
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133
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164
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2.62
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Split Outer Ring Construction
The split outer ring design simplifies installation in housings with limited access. This configuration allows the bearing to be mounted from one side while maintaining structural integrity through proper housing retention.
Sealed Protection System
The UU designation indicates double rubber seals integrated into the bearing design. These seals retain factory-applied lithium-based grease while excluding contaminants such as dust, debris, and moisture from critical raceway surfaces.
Preload Configuration
The CC0 clearance specification creates controlled internal preload through negative radial clearance typically ranging from -0.008mm to 0mm. This preload eliminates elastic displacement under load, providing exceptional rigidity and zero backlash performance.
Line Contact Geometry
Unlike ball bearings with point contact, the cylindrical rollers create line contact with raceways. This geometry distributes loads over larger surface areas, reducing contact stress and extending bearing life under heavy loading conditions.
Precision Robotics
Industrial robots utilize the RB4010UUCC0 Cross roller bearing in joint assemblies where moment rigidity prevents deflection during rapid positioning movements. The preload configuration ensures repeatability in multi-axis systems, while sealed protection maintains performance in manufacturing environments.
Machine Apparatus Rotational Tables
Machining centers utilize these orientation in ordering tables and revolving situating frameworks. The combined stack capacity handles workpiece weight (hub), cutting strengths (outspread), and overhang minutes at the same time, keeping up positional exactness amid machining operations.
Medical Equipment
CT scanners and exactness demonstrative hardware require smooth, calm revolution with negligible vibration. The crossed-roller plan gives steady low-torque operation, whereas the coordinates ring structure guarantees mounting accuracy basic for picture quality.
Semiconductor Manufacturing
Wafer taking care of gear and arrangement frameworks depend on exact situating without backfire. The bearing's capacity to keep up precision beneath changing loads makes it reasonable for cleanroom situations where defilement control is essential.



Proper establishment guarantees ideal bearing execution and benefit life. The part external ring requires uniform weight conveyance amid mounting to anticipate twisting. Lodging resiliences ought to coordinate h7/H7 measures to oblige the CC0 preload without over-constraining the bearing.
The fixed plan comes pre-lubricated with high-quality oil reasonable for the indicated working temperature extend. Relubrication plans depend on working conditions, ordinarily each 6-12 months for ceaseless operation applications.
Our fabricating forms take after ISO accuracy benchmarks with comprehensive quality control at each generation organize. Crude fabric review guarantees bearing steel meets chemical composition and mechanical property necessities. In-process observing keeps up dimensional exactness and surface wrap up specifications.
Final review incorporates vibration testing, dimensional confirmation, and stack testing to affirm execution parameters. Each item experiences total approval some time recently shipment, guaranteeing steady quality and unwavering quality.
Luoyang Auto Bearing provides comprehensive technical support throughout the bearing selection and application process. Our engineering team offers installation guidance, mounting recommendations, and troubleshooting assistance to optimize bearing performance in your specific application.
For technical inquiries, specification questions, or custom requirements, contact our engineering team at auto@lyautobearing.com. We provide detailed application analysis to ensure the RB4010UUCC0 Cross roller bearing meets your precision motion requirements.
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