RB Crossed Roller Bearings

1. RB cross roller bearing is Inner and Outer Ring Integrity, outer ring with plug.
2. Sizes:Inner Diameter: 20-1100mm Outer Diameter: 70-1500mm Width: 12-110mm
3.Performance Advantages:High radial, axial and moment load capacity in a single bearing; low friction coefficient for smooth rotation; excellent runout accuracy.
4.Material: Gcr15, Gcr15SiMn.
5. Application: Joints or rotating parts of industrial robots, rotary tables of machining centers, rotating parts of manipulators, precision rotary tables, medical machines, measuring instruments, IC manufacturing devices, etc.
6. Accurcy: P6, P0, P5, P4, P3.
Product Description

RB Crossed Roller Bearings - High-Precision Industrial Bearing Solutions

When your application demands exceptional load capacity and precision in a compact design, RB Crossed Roller Bearings deliver the performance you need. These specialized bearings feature integral inner and outer rings with an innovative crossed roller configuration that handles radial, axial, and moment loads simultaneously. With 30 years of manufacturing expertise, we provide reliable solutions for your most demanding applications.

Crossed Roller Bearing RB Series
 
Crossed Roller Bearing RB Series
 

What Are RB Crossed Roller Bearings?

The items speak to progressed bearing innovation planned particularly for high-precision applications. The special development highlights round and hollow rollers organized opposite to each other at 90-degree points. This arrangement empowers a single bearing to bolster numerous stack headings effectively.

The indispensably ring plan with external ring plug development guarantees auxiliary judgment whereas disentangling establishment. Not at all like ordinary heading that require isolated components for diverse stack sorts, this plan solidifies numerous capacities into one compact unit.

Crossed Roller Bearing RB Series

Key Design Features

Integral Ring Structure: The one-piece inward and external ring plan with plug development kills potential powerless focuses and gives predominant stack distribution.

Crossed Roller Setup: Opposite roller course of action maximizes contact region and disseminates loads equitably over the bearing surface.

Compact Profile: Space-efficient plan diminishes in general hardware estimate whereas keeping up tall stack capacity.

Precision Fabricating: Progressed pounding and warm treatment forms guarantee steady quality and execution.

Technical Specifications

Bearing Designations
Boundary Dimensions(mm)
Basic Load Rating
Shoulder Height
Weight(kg)
 
d
D
B
r min
C
(KN)
Co
(KN)
ds
(mm)
Dh
(mm)
 
RB2008
20
36
8
0.5
3.23
3.1
23.5
30.5
0.04
RB2508
25
41
8
0.5
3.63
3.83
28.5
35.5
0.05
RB3010
30
55
10
0.6
7.35
8.36
37
47
0.12
RB3510
35
60
10
0.6
7.64
9.12
41
51.5
0.13
RB4010
40
65
10
0.6
8.33
10.6
47.5
57.5
0.16
RB4510
45
70
10
0.6
8.62
11.3
51
61.5
0.17
RB5013
50
80
13
0.6
16.7
20.9
57.4
72
0.27
RB6013
60
90
13
0.6
18
24.3
68
82
0.3
RB7013
70
100
13
1
19.4
27.7
78
92
0.35
RB8016
80
120
16
1
30.1
42.1
91
111
0.7
RB9016
90
130
16
1.5
31.4
45.3
98
118
0.75
RB10016
100
140
16
1.5
31.7
48.6
109
129
0.83
RB10020
100
150
20
1.5
33.1
50.9
113
133
1.45
RB11012
110
135
12
1
12.5
24.1
117
127
0.4
RB11015
110
145
15
1
23.7
41.5
122
136
0.75
RB11020
160
133
20
1.5
34
54
120
143
1.56
RB12016
120
150
16
1.5
24.2
43.2
127
141
0.72
RB12025
120
180
25
1
66.9
100
133
164
2.62

Performance Advantages

Multi-Directional Load Support

The crossed roller design enables simultaneous handling of radial loads, axial loads, and moment loads. This eliminates the need for multiple bearing arrangements and reduces system complexity.

Superior Rigidity

High contact rigidity results from the perpendicular roller arrangement and integral ring structure. This configuration minimizes deflection under load and maintains precise positioning.

Low Friction Operation

Optimized roller geometry and surface finish reduce friction coefficients. This translates to smoother rotation, lower operating temperatures, and extended service life.

Excellent Runout Accuracy

Precision manufacturing processes ensure minimal radial and axial runout. This accuracy is critical for applications requiring precise motion control and positioning.

High Load Capacity

The crossed configuration maximizes the effective contact area between rollers and raceways. This design efficiently distributes loads and increases overall bearing capacity.

Working Principle

The bearing works through the interaction of crossed round and hollow rollers with precision-ground raceways. As loads are connected, the opposite roller course of action makes different contact focuses that disperse powers over the whole bearing circumference.

Radial loads are backed by rollers situated evenly, whereas pivotal loads are carried by vertically situated rollers. Minute loads are taken care of by the combined activity of both roller sets, making a steady stack triangle that stands up to tilting forces.

The indispensably ring development keeps up exact roller situating all through operation. This steadiness guarantees steady execution beneath shifting stack conditions and rotational speeds.

Crossed Roller Bearing RB Series

Applications

Industrial Robotics

Joint mechanisms and rotating assemblies benefit from the compact design and multi-directional load capacity. The high precision enables accurate positioning and smooth operation.

Machine Tool Rotary Tables

Machining centers require precise rotation and high rigidity for accurate workpiece positioning. These RB Crossed Roller Bearings provide the stability needed for heavy cutting operations.

Medical Equipment

Precision medical devices demand low noise operation and high accuracy. The smooth rotation and minimal runout make these bearings ideal for diagnostic and treatment equipment.

Semiconductor Manufacturing

IC production equipment requires ultra-precise positioning and clean operation. The sealed design and high accuracy support critical manufacturing processes.

Precision Measurement Instruments

Testing and measurement devices benefit from the exceptional runout accuracy and stable operation under varying environmental conditions.

Quality Assurance

Our fabricating prepare consolidates three-level quality control covering crude fabric review, in-process observing, and last item confirmation. Each bearing experiences comprehensive testing counting vibration investigation, stack testing, and accuracy measurement.

High-purity bearing steel and specialized warm treatment forms guarantee reliable fabric properties. Exactness crushing innovation accomplishes the tight resiliences required for ideal performance.

The quality framework confirmation incorporates 12 center execution pointers with an ex-factory capability rate surpassing 99.9%. This thorough approach guarantees solid operation in requesting applications.

Installation and Maintenance

Proper establishment is significant for ideal execution. The indispensably ring plan rearranges mounting methods whereas the external ring plug encourages get together. Take after producer rules for fit resistances and oil requirements.

Regular upkeep incorporates observing working temperatures, vibration levels, and grease condition. Appropriate oil interims depend on working conditions but regularly extend from 3-6 months for persistent operation.

Why Choose Our RB Crossed Roller Bearings?

With 30 years of RB Crossed Roller Bearings manufacturing experience, we combine proven expertise with modern production capabilities. Our comprehensive approach covers everything from initial design consultation to ongoing technical support.

We maintain extensive inventory for standard sizes with 48-hour delivery capability for regular orders. Custom configurations can be manufactured with delivery cycles 30% shorter than industry averages.

For technical consultation or specific application requirements, contact our engineering team at auto@lyautobearing.com. We provide worldwide support including on-site installation assistance and performance optimization services.

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