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Home > Products > Robot Bearing > CRBT305-41A 30x41x5mm Thin Wall Crossed Roller Bearing High Rigidity Robot Precision Bearing

CRBT305-41A 30x41x5mm Thin Wall Crossed Roller Bearing High Rigidity Robot Precision Bearing

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: CRBT305A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-4 weeks

Payment Terms: L/C,T/T

Supply Ability: 100000pcs per month

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Highlight:

30x41x5mm thin wall crossed roller bearing

,

robot miniature manipulator bearing

,

surveillance camera crossed roller bearing

Bearing Name:
CRBT305A Crossed Roller Bearing
Shaft Bore:
30mm
Replaceable With:
IKO,THK
Customized:
Yes
Bearing Name:
CRBT305A Crossed Roller Bearing
Shaft Bore:
30mm
Replaceable With:
IKO,THK
Customized:
Yes
CRBT305-41A 30x41x5mm Thin Wall Crossed Roller Bearing High Rigidity Robot Precision Bearing
CRBT305-41A 30X41X5mm Thin Wall Crossed Roller Bearing

Designed for high-precision rotational motion in robotics, miniature manipulators, and surveillance cameras.

Product Overview

CRBTF305A 30X63X5mm Thin Wall Crossed Roller Bearing and CRBT305-41A 30X41X5mm Thin Wall Crossed Roller Bearing are precision components designed for compact applications requiring exceptional rigidity and load capacity.

The CRBT305-41A bearing features crossed cylindrical rollers arranged at right angles, providing superior stiffness and simplified installation without mounting flanges.

  • Outer Diameter: 41 mm
  • Bore Diameter: 30 mm
  • Width: 5 mm
  • Structure: Integrated compact design supporting radial, axial, and moment loads
  • Installation: Simplified flange-free mounting
Technical Specifications
Part NumberCRBTF305-41A
Measurement SystemMetric
Bearing TypeRoller Bearing
Roller Bearing TypeCrossed
For Load DirectionCombined Load
ConstructionSingle Row
Seal TypeOpen
Bore Diameter30 mm
Outer Diameter41 mm
Width5 mm
HolesWith Holes
Ring MaterialSteel
Roller MaterialSteel
Basic Dynamic Load Rating (C)1770N
Basic Static Load Rating (Co)1970N
LubricationRequired
Shaft Mount TypePress Fit
Temperature Range0 - 230 °F
ABEC RatingABEC5/7/9 (P5,P4,P2)
RoHSCompliant
REACHCompliant
Weight0.022kg
Performance Features

CRBT305-41A is a thin-walled cross roller bearing designed for industrial scenarios demanding high precision and lightweight design.

  • Lightweight Design: 62% weight reduction compared to traditional models with only 5mm cross-section height
  • High Rigidity: Withstands axial, radial, and overturning moment loads with 3-4 times higher rigidity than traditional bearings
  • High Precision: Precision grade reaches P2/P4/P5 levels for precision equipment applications
Applications

The CRBT305A cross roller bearing, with its compact design (30mm × 41mm × 5mm), high rigidity, and high load capacity, is used in:

Industrial Robots
  • Joint Components: Rotary joints of collaborative robots, humanoid robots, and robotic arms
  • End Effectors: Welding, handling, and other applications requiring lightweight and miniaturization
Precision Machine Tools and Processing Equipment
  • CNC Rotary Tables: Five-axis machining centers and mill-turn composite machines
  • Grinding Machines and Testing Equipment: Universal testing machines and compression testing machines
Medical and Laboratory Equipment
  • Imaging Equipment: Rotating components of CT scanners and optical inspection instruments
  • Reverse Osmosis Systems: Precision transmission components of liquid handling systems
Automation and Specialized Equipment
  • Semiconductor Manufacturing: Precision motion control modules of lithography machines and wafer cutting machines
  • Radar and Communication Equipment: Pan-tilt units, antennas, and similar components
  • Drones and Robotic Joints: Gimbal stabilization systems in lightweight designs
General Industrial Applications
  • Textile Machinery: Transmission components of textile equipment and looms
  • Chemical and Environmental Equipment: Corrosive environments such as chemical pumps, vibrating screens, and sludge scrapers
CRB Series Crossed Roller Bearing Features
Structural Characteristics
  • Split Outer Ring and Integral Inner Ring Design: Facilitates installation and clearance adjustment
  • Equal cross-section thin-walled design with minimized inner and outer ring thickness
  • Cylindrical rollers arranged in 90° cross pattern with spacers to prevent friction
Performance Advantages
  • High Load-Carrying Capacity: Simultaneously withstands radial, axial loads, and overturning moments
  • High Rigidity and Precision: 3-4 times higher rigidity than traditional bearings with P4 and P2 accuracy
  • Lightweight and Compactness: Extremely thin walls and reduced weight for weight-sensitive applications
  • High-Speed Performance: Low-friction design supports high-speed rotation
Typical Application Scenarios
Application FieldSuitable Equipment ExamplesKey Matching Features
Industrial RoboticsJoints, rotating parts of robotic armsLightweight, high precision, high rigidity
Medical EquipmentSurgical robots, imaging equipmentLow noise, high rotational accuracy
Heavy MachineryCranes, port equipmentHigh load capacity, anti-overturning ability
Semiconductor ManufacturingPrecision rotary tables, IC manufacturing equipmentUltra-thin structure, high stability
Crossed roller bearing technical diagram and specifications
Bearing Specifications Table
Bearing Numberd (mm)D (mm)B (mm)r(min)Cr (N)Cor (N)Wt ≈ (Kg)
CRBTF105A104350.15280025000.09
CRBTF305A306350.15504045001.20
CRBT305-41A304150.15364032500.08
BNAT105102150.211008000.009
BNAT205203150.2150014000.015
BNAT305304150.2190021000.021

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