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High Accuracy Bearing RU148G Ultra Precision Cross Roller Bearing 90x210x25mm for Robot Joints & Harmonic Drives

Name: High Accuracy Bearing RU148G Ultra Precision Cross Roller Bearing 90x210x25mm for Robot Joints & Harmonic Drives
Brand: Wuxi Guangqiang Bearing Trade Co.,Ltd
SKU: RU148G
Price: 89.00 USD
Availability: InStock

Brand Name:	GQZ
Model Number:	RU148G
MOQ:	5pcs
Price:	$80- $98
Delivery Time:	3 working days after received your payment
Payment Terms:	T/T or western Union or PayPal

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

ISO90001

Material:

GCr15 Steel

Product Name:

Ultrathin Crossed Roller Bearings

Seals Type:

Sealed

ID(mm):

OD(mm):

210

Width(mm):

Precision Rating:

P0-P5

Structure:

Cylindrical

Packaging Details:

Packed in carton firstly,and then reinforced with wooden case for outer packing

Supply Ability:

3,000pcs per month

Highlight:

High accuracy cross roller bearing

Precision robot joint bearing

RU148G harmonic drive bearing

Product Description

RU148G Ultra Precision Cross Roller Bearing 90x210x25mm | High Accuracy Bearing for Robot Joints & Harmonic Drives

Product Overview

The RU148G Cross Roller Bearing is a high-precision upgraded version designed for applications requiring superior accuracy, smooth rotation, and minimal runout. With dimensions of 90mm inner diameter, 210mm outer diameter, and 25mm width, it is ideal for advanced robotics, harmonic drives, and precision automation systems.

Compared with the standard model, RU148G offers tighter tolerances, improved rotational consistency, and enhanced motion stability, making it suitable for high-end equipment where precision is critical.

Model: RU148G
Size: 90x210x25mm
High precision grade with reduced runout
Smooth and stable rotation
Ideal for precision robotics and reducers

Key Features

Ultra High Precision: Tight tolerances ensure accurate and repeatable motion.
Low Runout Performance: Improved machining quality reduces vibration and deviation.
High Rigidity: Crossed roller structure provides strong stiffness under load.
Smooth Operation: Optimized raceway finishing ensures low friction rotation.
Integrated Design: Simplifies installation and enhances structural stability.
Extended Durability: Heat-treated bearing steel for long service life.

Technical Specifications

Parameter	RU148G
Model	RU148G
Inner Diameter (ID)	90 mm
Outer Diameter (OD)	210 mm
Width (H)	25 mm
Type	Cross Roller Bearing
Structure	Integrated Inner & Outer Ring
Material	Bearing Steel (GCR15)
Preload	C0 / Precision Preload Optional
Accuracy Class	P5 / Higher optional
Application	Precision Robotics, Harmonic Drives, Automation Systems

High Accuracy Bearing RU148G Ultra Precision Cross Roller Bearing 90x210x25mm for Robot Joints & Harmonic Drives 0

Applications

High-End Industrial Robots – Ensures precise joint movement and repeatability.
Harmonic Drive Systems – Provides stable and accurate transmission.
Collaborative Robots (Cobot) – Smooth and controlled motion performance.
Precision Automation Equipment – Suitable for high-accuracy positioning systems.

Model	d	D	B	C	Co	kg
RU28	10	52	8	2.91	2.43	0.12
RU42	20	70	12	7.35	8.35	0.29
-	25	80	12	8.61	10.6	0.4
RU66	35	95	15	17.5	22.3	0.66
RU85	55	120	15	20.3	29.5	1
RU124	80	165	22	33.1	50.9	2.6
RU124G	80	165	22	33.1	50.9	2.6
RU124X	80	165	22	33.1	50.9	2.6
RU148	90	210	25	49.1	76.8	4.9
RU148G	90	210	25	49.1	76.8	4.9
RU148X	90	210	25	49.1	76.8	4.9
RU178	115	240	28	80.3	135	6.8
RU178G	115	240	28	80.3	135	6.8
RU178X	115	240	28	80.3	135	6.8
RU228	160	295	35	104	173	11.4
RU228G	160	295	35	104	173	11.4
RU228X	160	295	35	104	173	11.4
RU297	210	380	40	156	281	21.3
RU297G	210	380	40	156	281	21.3
RU297X	210	380	40	156	281	21.3
RU445	350	540	45	222	473	35.4
RU445G	350	540	45	222	473	35.4
RU445X	350	540	45	222	473	35.4

Why Choose GQZ Bearing?

Precision Advantage: Optimized for high-accuracy applications.
Consistent Quality: Strict inspection ensures stable performance.
Fast Delivery: Reliable production with global logistics.
Customization Available: Tailored precision levels and preload options.

High Accuracy Bearing RU148G Ultra Precision Cross Roller Bearing 90x210x25mm for Robot Joints & Harmonic Drives 2

High Accuracy Bearing RU148G Ultra Precision Cross Roller Bearing 90x210x25mm for Robot Joints & Harmonic Drives 3

High Accuracy Bearing RU148G Ultra Precision Cross Roller Bearing 90x210x25mm for Robot Joints & Harmonic Drives 4

FAQ

Q1: What does the “G” version mean in RU148G?

A1: It indicates a higher precision grade with improved accuracy, lower runout, and smoother rotation.

Q2: Is RU148G suitable for high-precision robotic systems?

A2: Yes, it is specifically designed for applications requiring high positioning accuracy and stability.

Q3: Can you provide higher precision levels?

A3: Yes, we offer customized precision grades beyond standard P5 upon request.

Achieve superior motion accuracy with RU148G Cross Roller Bearing.
Contact us today for pricing, customization, or technical consultation!

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