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55mm Shaft Bore 120mm Outer Diameter High Rigidity Crossed Roller Bearing for Precision Robot Applications

Name: 55mm Shaft Bore 120mm Outer Diameter High Rigidity Crossed Roller Bearing for Precision Robot Applications
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: RU85
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: RU85

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

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                55mm crossed roller bearing, precision robot bearing 55x120x15mm, RU85 robot bearing with warranty
                              

Bearing Name:	RU85 Crossed Roller Bearing	Shaft Bore:	55mm
Replaceable With:	IKO,THK	Customized:	Yes

Bearing Name:	RU85 Crossed Roller Bearing
Shaft Bore:	55mm
Replaceable With:	IKO,THK
Customized:	Yes

55mm Shaft Bore 120mm Outer Diameter High Rigidity Crossed Roller Bearing for Precision Robot Applications

Shaft Diameter 55mm RU85 Crossed Roller Bearing 55X120X15mm Precision Robot Bearing

The RU85 bearing is designed for high-precision rotational motion, featuring crossed cylindrical rollers arranged at right angles to provide exceptional rigidity and load-bearing capacity.

Key Specifications

Part Number	RU85
Measurement System	Metric
Bearing Type	Roller Bearing
Roller Bearing Type	Crossed
For Load Direction	Combined Load
Construction	Single Row
Seal Type	Open
Bore Diameter	55 mm
Outer Diameter	120 mm
Width	15 mm
Holes	With Holes
Ring Material	Steel
Roller Material	Steel
Basic Dynamic Load Rating (C)	20300N
Basic Static Load Rating (Co)	29500N
Lubrication	Required
Shaft Mount Type	Press Fit
Temperature Range	0 - 230 °F
ABEC Rating	ABEC5/7/9 (P5,P4,P2)
RoHS	Compliant
REACH	Compliant
Weight	1kg

Performance Features

High Precision: Achieves P4 and P2 precision levels, ensuring exceptional rotational accuracy and stability.
High Rigidity: Features preloaded design to enhance structural stiffness and performance.
High Load Capacity: Capable of supporting bi-directional axial loads, radial loads, and tilting moments, making it suitable for complex loading conditions.
Compact Design: Its small size helps save valuable space in machine tools without compromising performance.

Applications

Industrial Robots and Automation Equipment: Widely used in the joint and rotary parts of industrial robots, providing stable rotational accuracy and resistance to overturning moments.
Precision Machine Tools and Processing Equipment: Performs exceptionally well in high-speed machine tools, vertical lathes, precision grinders, and CNC machining centers with rotary tables.
Medical Equipment and Precision Instruments: Plays a key role in advanced medical equipment such as CT scanners and MRI machines, ensuring stable operation and low-noise performance.
Optical Equipment and Measurement Systems: Suitable for rotary table structures in large optical telescopes, LiDAR systems, and precision measurement instruments.
New Energy and Special Industrial Applications: Ideal for rotary support components in wind power equipment, welding positioners, and other special industrial scenarios.

RU Series (Integrated Inner/Outer Ring Type) Crossed Roller Bearing

The RU series bearings feature provided mounting holes, eliminating the need for a presser flange or housing. Additionally, with an integrated inner/outer ring structure and equipped with washers, their performance is minimally impacted by the mounting procedure. This ensures stable rotation accuracy and torque.

This model supports both inner-ring rotation and outer-ring rotation, offering high flexibility and adaptability.

Bearing Number	Inner Diameter d	Outer Diameter D	Width B	Chamfer r(min)	Mounting Size da	Mounting Size Da	Dynamic Cr	Static Cor	Inner Ring Hole Center dn	Inner Ring Hole size do	Outer Ring Hole Center Dn	Outer Ring Hole size Do	Weight Wt ≈
RJ40	8	40	8	0.3	26	28	3020	3780	20	4-M3	34	6-ф2.8-ф4.6/凵2.8	0.06
RU208	8	44	8	0.3	26	32	3020	3780	16	4-M3	38	4-ф3-ф 5/凵3	0.08
RU28	10	52	8	0.3	24	29.5	2900	3400	16	4-M3	42	6-ф3.4-ф6.5/凵3.3	0.12
RU42	20	70	12	0.6	37	47	7350	8350	28	6-M3	57	6-ф3.4-ф6.5/凵3.3	0.29
RU52	30	80	12	0.6	46.5	58.5	8610	10600	35	6-M3	67	6-ф3.4-ф6.5/凵3.3	0.40
RU66	35	95	15	0.6	59	74	17500	22300	45	8-M4	83	8-Φ4.5-Φ 8/凵4.3	0.62
RU85	55	120	15	0.6	79	93	20300	29500	65	8-M5	105	8-Φ5.5-Φ9.5/凵5.4	1.00
RU124	80	165	22	1	114	134	33100	50900	97	10-M5	148	10-Φ5.5-Φ9.5/凵5.4	2.60
RU178	115	240	28	1.5	161	195	80300	13500	139	12-M8	217	12-Φ8.6-Φ14/凵8.6	6.80
CRBTF105A	10	43	5	0.15	12.5	38.5	2800	2500	16	6-M2.5	35	6-ф2.8-ф4.6/凵2.8	0.09
CRBTF305A	30	63	5	0.15	33.5	58.5	5040	4500	36	8-M2.5	55	8-ф2.8-ф4.6/凵2.8	1.20
CRBT305-41A	30	41	5	0.15	33.5	36.5	3640	3250	-				0.08
RA5008C	50	66	8	0.5	53.5	60.5	5100	7190	-				0.08
RA6008C	60	76	8	0.5	63.5	70.5	5680	8680	-				0.09
RA7008C	70	86	8	0.5	73.5	80.5	5980	9800	-				0.10
RA8008C	80	96	8	0.5	83.5	90.5	6370	11300	-				0.11
RA9008C	90	106	8	0.5	93.5	100.5	6760	12400	-				0.12
RA10008C	100	116	8	0.5	103.5	110.5	7150	13900	-				0.14
BNAT105	10	21	5	0.2	12.5	18.5	1100	800	-				0.009
BNAT205	20	31	5	0.2	22.5	28.5	1500	1400	-				0.015
BNAT305	30	41	5	0.2	32.5	38.5	1900	2100	-				0.021
BNAT408	40	56	8	0.2	42.5	53.5	4200	5800	-				0.027
BNAT505	50	61	5	0.2	52.5	58.5	2400	3400	-				0.032
BNAT555	55	66	5	0.2	57.5	63.5	2500	3700	-				0.035
BNAT805	80	91	5	0.2	82.5	88.5	3000	5400	-				0.05
BNAT905	90	101	5	0.2	92.5	98.5	3100	6000	-				0.056

If you need more detailed information, feel free to ask!

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