CRBH Series Crossed Roller Bearing

CRBH Series – Thin-Wall Design, Space-Saving
Structure Characteristics: The CRBH series is a thin-wall optimized version, with the wall thickness of inner and outer rings reduced by 30%-40% compared to the CRB series under the same inner diameter. It adopts an integral ring structure with a lightweight aluminum alloy cage to reduce rotational inertia. The raceway is subjected to super-finishing treatment to reduce friction and noise. Sealing is achieved through a thin rubber lip seal to ensure compactness.

Core Advantages: Ultra-compact size, with a diameter-to-thickness ratio of up to 10:1, effectively saving installation space for equipment. Lightweight design reduces the overall weight of the mechanical structure by 15%-20%, suitable for weight-sensitive scenarios. Low friction coefficient (≤0.0015) and low operating noise (≤51dB). Typical Applications: Small robotic joints, semiconductor wafer handling equipment, and portable measuring instruments. Export Edge: High demand in the consumer electronics manufacturing equipment market in Japan and South Korea.
Product Description

CRBH Series Crossed Roller Bearing: Ultra-Thin Design for Space-Critical Applications

When your application demands maximum performance in minimal space, the CRBH Series Crossed Roller Bearing delivers exceptional results. These ultra-thin bearings feature integral inner and outer rings with wall thickness reduced by 30-40% compared to standard CRB series bearings. The product combines high precision, superior rigidity, and compact design to solve space constraints in critical applications. Whether you need reliable performance for robotic joints, semiconductor equipment, or precision instruments, this bearing series provides the optimal solution for your most demanding requirements.

CRBH Series Crossed Roller Bearing
 
CRBH Series Crossed Roller Bearing
 

Understanding CRBH Series Structure and Design

The CRBH arrangement utilizes an necessarily ring development that disposes of the auxiliary shortcomings found in split-ring plans. This one-piece internal and external ring arrangement gives prevalent unbending nature whereas keeping up the ultra-thin profile basic for space-constrained applications.

Core Basic Elements

The bearing highlights round and hollow rollers orchestrated orthogonally at 90-degree interims inside precision-machined V-groove raceways. This crossed course of action permits a single bearing unit to handle outspread loads, hub loads, and minute loads at the same time. The lightweight aluminum amalgam cage decreases rotational dormancy whereas guaranteeing smooth roller development amid operation.

Advanced Fabricating Features

Each raceway experiences super-finishing treatment to accomplish ideal surface quality. This prepare decreases contact coefficients to ≤0.0015 and keeps up working clamor levels underneath 51dB. The lean elastic lip seals give compelling defilement assurance whereas protecting the compact plan characteristics.

Technical Specifications and Performance Data

Bearing Designations
Boundary Dimensions(mm)
Mounting
Dimensions(mm)
Basic Load Rating
(Radial)
Weight(kg)
 
d
D
B
r(min)
ds
Dh
C
KN
Co
KN
 
CRB 4010
40
65
10
0.3
44
54
5.98
8.04
0.15
CRB 5013
50
80
13
0.6
55
71
14.2
18.4
0.29
CRB 6013
60
90
13
0.6
64
81
15.4
21.5
0.33
CRB 7013
70
100
13
0.6
75
91
17
25.5
0.38
CRB 8016
80
120
16
0.6
86
107
24.3
37.5
0.74
CRB 9016
90
130
16
1
98
118
25.9
42.1
0.81
CRB 10020
100
150
20
1
108
134
39.4
61.1
1.45
CRB 11020
110
160
20
1
118
144
41.2
66.7
1.56
CRB 12025
120
180
25
1.5
132
164
59.9
95.4
2.62
CRB 13025
130
190
25
1.5
140
172
61
99.8
2.82
CRB 14025
140
200
25
1.5
151
183
64.1
108
2.96
CRB 15025
150
210
25
1.5
160
192
65
113
3.16
CRB 15030
150
230
30
1.5
166
202
85.9
144
5.3
CRB 20025
200
260
25
2
208
239
75.3
148
74
CRB 20030
200
280
30
2
218
262
133
234
6.7
CRB 20035
200
295
35
2
221
274
168
282
9.58
CRB 25025
250
310
25
2.5
259
290
83.9
183
4.97
CRB 25030
250
330
30
2.5
265
310
146
283
8.1

Performance Advantages in Real Applications

Space Optimization Benefits

The ultra-compact plan accomplishes diameter-to-thickness proportions up to 10:1, making it conceivable to coordinated high-performance orientation into already outlandish areas. This space productivity specifically deciphers to more compact hardware plans and decreased by and large framework weight.

Load Handling Capabilities

Unlike conventional bearing courses of action that require numerous units for complex loads, the CRBH arrangement handles outspread, hub, and minute loads with a single bearing. This capability disentangles plan prerequisites and diminishes the number of components required in your assembly.

Precision Performance

The fundamentally ring structure kills mounting mistakes related with split-ring plans. This comes about in reliable turn exactness and torque characteristics, notwithstanding of establishment varieties. The bearing keeps up P4 exactness benchmarks whereas advertising P2 accuracy for the most requesting applications.

CRBH Series Crossed Roller Bearing​​​​​​​

Primary Application Areas

Robotics and Automation

Small mechanical joints advantage essentially from the CRBH series' combination of tall unbending nature and compact estimate. The bearing empowers exact situating whereas withstanding the complex stack combinations normal in mechanical applications.

Semiconductor Fabricating Equipment

Wafer taking care of frameworks require ultra-clean, exact operation with negligible space utilization. The CRBH arrangement meets these prerequisites whereas giving the unwavering quality required for persistent generation environments.

Precision Measuring Instruments

Portable and research facility measuring hardware requests tall exactness in compact bundles. These heading empower exact revolving movement whereas contributing to by and large instrument miniaturization.

Medical Gadget Applications

The combination of moo clamor, smooth operation, and compact plan makes the CRBH arrangement reasonable for therapeutic gear where quiet consolation and exact control are essential.

Installation and Design Considerations

Mounting Requirements

The CRBH arrangement requires legitimate back through presser spines or lodging courses of action since no mounting gaps are given in the rings. This plan keeps up the ultra-thin profile whereas guaranteeing satisfactory bolster for operational loads.

Preload Considerations

Factory preloading is accessible to optimize inflexibility and dispose of inner clearances. This preload guarantees steady execution characteristics and diminishes vibration in exactness applications.

Lubrication and Maintenance

The fixed adaptations come pre-greased for expanded support interims. For unlocked forms, appropriate oil choice based on working conditions guarantees ideal benefit life.

CRBH Series Crossed Roller Bearing

Why Choose Luoyang Auto Bearing for Your CRBH Requirements?

With 30 years of bearing industry experience, we understand the critical importance of precision and reliability in space-constrained applications. Our comprehensive quality control system ensures each CRBH Series Crossed Roller Bearing meets specified performance requirements before delivery.

Our integrated R&D and manufacturing capabilities enable us to provide both standard sizes and customized solutions for unique application requirements. We maintain extensive inventory for rapid delivery of common sizes while offering engineering support for application-specific designs.

For applications requiring special materials, modified geometries, or specific performance characteristics, our engineering team provides technical consultation to optimize bearing selection. We support global customers with installation guidance, maintenance recommendations, and lifecycle management services.

Getting Started with CRBH Series Selection

Proper bearing selection requires understanding your specific load requirements, space constraints, and performance expectations. Our technical team can assist with application analysis to ensure optimal bearing specification for your requirements.

Contact our engineering support team at auto@lyautobearing.com for detailed technical discussions about your CRBH Series Crossed Roller Bearing application. We provide comprehensive support from initial selection through installation guidance and ongoing technical assistance.

Whether you need immediate delivery of standard sizes or custom engineering for specialized requirements, our team is ready to support your project success with reliable, high-performance bearing solutions.

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