Home > Product > Robot Bearing

Robot Bearing

Our robot bearings are high-precision core parts for industrial robots, cobots and automated manipulators. We supply thin-section bearings and crossed roller bearings, featuring ultra-thin design, high rigidity, low torque and long service life. Made of premium steel with dustproof seals, they meet P4/P5 precision standards. Widely used for robot joints and arms. OEM & custom sizes are available. Strict quality control ensures reliable performance and competitive cost.

Design and variation

Product details

11 Results

Display order: Metric Imperial

Sort by:

Model number	Basic size			Basic load rating		Rated speed
				Dynamic state	Static	Reference speed	Limiting speed
	d [mm]	D [mm]	B [mm]	C [kN]	C₀ [kN]	[r/min]	[r/min]
RB2008	20	36	8	3.23	3.1
XU300515	384	646	86	450	667
XU080264	215.9	311	25.4	54	57
XU160260	191	329	46	135	173
XU120179	124.5	234	35	75	88
XU080149	101.6	196.85	22.22	40	32.5
XU080120	69	170	30	35.6	26
XU060111	76.2	145.79	15.87	22.8	21.5
XU060094	57	140	26	20.7	18.4
XU050077	40	112	22	14.3	14.2
XU120222	140	300	36	85	131

Model number	Basic size			Basic load rating		Rated speed
				Dynamic state	Static	Reference speed	Limiting speed
	d [in]	D [in]	B [in]	C [Ibf]	C₀ [Ibf]	[r/min]	[r/min]
RB2008
XU300515
XU080264
XU160260
XU120179
XU080149
XU080120
XU060111
XU060094
XU050077
XU120222

Harmonic drive bearing

Harmonic drive bearings are core precision parts for harmonic reducers. They feature compact size, zero backlash, high rigidity and positioning accuracy. Suitable for robot joints and precision automation. We support customized sizes and strict quality inspection.

Crossed roller bearing

Crossed roller bearings feature compact structure, high rigidity and excellent load capacity. They ensure high rotation accuracy and stable operation. Widely used for robot joints, rotary tables and automation equipment. Custom solutions are available.

Equal Section Thin Wall Bearing

Equal Section Thin Wall Bearings feature constant cross-section design. They save space and reduce weight, with high precision, low torque and great rigidity. Ideal for robot joints and automation equipment. Custom sizes and strict quality control are available.

Product Display

High Precision Robot Bearing, Thin Section & Crossed Roller Bearing for Industrial Robot, Cobot & Robotic Arm

Our robot bearings are essential precision components for industrial automation equipment. Including thin section bearings, equal section bearings, crossed roller bearings and harmonic drive bearings, they are specially designed for robot joints, robotic arms and rotary units.

Made of high-grade GCr15 bearing steel, all products reach P4/P5 precision grade. These bearings feature low torque, zero backlash, high rigidity and excellent wear resistance. They run stably under high-speed and frequent cyclic operation, greatly extending the service life of automated robots.

Key Features

Ultra compact & lightweight structure, perfectly fit limited installation space of robot devices

Excellent radial, axial and overturning moment load capacity
Dust-proof & sealed design, anti-rust and durable for long-term continuous work
High rotational accuracy, ensure precise positioning for automated production
Multiple types available: equal section thin wall, crossed roller, harmonic reducer bearing
Strict quality inspection, full specifications and fast delivery

Main Applications

Widely applied to various automation equipment:

✅ 6-axis industrial robots

✅ Collaborative robots (Cobots)

✅ Delta sorting robots

✅ Harmonic reducers & robotic joint modules

✅ Precision machine tools and automated manipulators

机器人轴承主图必放 (1).png