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BNAT905 Crossed Roller Bearing with 90mm Shaft Bore Ultra-Thin 5mm Width and

China BNAT905 Crossed Roller Bearing with 90mm Shaft Bore Ultra-Thin 5mm Width and

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BNAT905 Crossed Roller Bearing with 90mm Shaft Bore Ultra-Thin 5mm Width and

MOQ： 1000
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Payment Terms	L/C,T/T
Supply Ability	100000pcs per month
Delivery Time	2-4 weeks
Packaging Details	plastic bag,box,carton,pallet
Shaft Bore	90mm
Replaceable With	IKO,THK
Bearing Name	BNAT905 Crossed Roller Bearing
Customized	Yes
Brand Name	CNBTZC or OEM
Model Number	BNAT905
Certification	IATF16949:2016
Place of Origin	China

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Product Details
Company Details

Product Specification


Payment Terms	L/C,T/T	Supply Ability	100000pcs per month
Delivery Time	2-4 weeks	Packaging Details	plastic bag,box,carton,pallet
Shaft Bore	90mm	Replaceable With	IKO,THK
Bearing Name	BNAT905 Crossed Roller Bearing	Customized	Yes
Brand Name	CNBTZC or OEM	Model Number	BNAT905
Certification	IATF16949:2016	Place of Origin	China
High Light	Shaft 90 Mm Crossed Roller Bearing ，90X101X5mm Crossed Roller Bearing ，Precision Robot Joints Crossed Roller Bearing

Shaft 90 Mm BNAT905 Crossed Roller Bearing 90X101X5mm Precision Robot Joints

Shaft Diameter 90 mm BNAT905 Crossed Roller Bearing 90X101X5mm Precision Robot bearing Joints

BNAT905, Ultra-Thin Section Type Both the inner and outer rings are of an integral structure. This series minimizes axial and radial section dimensions to the extreme, featuring an ultra-thin design. It is most suitable for applications requiring lightweight and compact structures in rotating parts, such as collaborative robots, service robots, special-purpose robots, and alignment platforms.

Key Specifications

Outer Diameter: 101 mm
Bore Diameter: 90 mm
Width: 5 mm

The BNAT905 bearing excels in applications requiring high performance and reliability, offering superior stiffness and load capacity while simplifying installation.

Technical Specifications

Part Number	BNAT905
Measurement System	Metric
Bearing Type	Roller Bearing
Roller Bearing Type	Crossed
For Load Direction	Combined Load
Construction	Single Row
Seal Type	Open
Bore Diameter	90 mm
Outer Diameter	101 mm
Width	5 mm
Holes	With Holes
Ring Material	Steel
Roller Material	Steel
Basic Dynamic Load Rating(C)	3100N
Basic Static Load Rating (Co)	6000N
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	0.056kg

Performance Features

Ultra-Thin Profile: Minimized axial and radial dimensions for compact, space-saving applications.
High Precision: Ensures accurate rotation, ideal for robotics and precision machinery.
Lightweight: Reduces overall weight, perfect for robotic joints and portable devices.
Versatile Load Capacity: Handles radial, axial, and moment loads efficiently.
Integral Structure: Single-piece inner and outer rings enhance rigidity and stability.

Applications

The BNAT905 cross roller bearing is widely used across various industries due to its high performance and unique design.

1. Robotics

Industrial Robots: Modern industrial robots require high-precision, high-speed, and highly reliable motion systems for quality production. The BNAT905 bearing, with its integral inner and outer ring structure, provides high rigidity, low inertia, low friction, and long service life. It is ideal for joints and rotating mechanisms in robot arms, waists, and chassis, ensuring stable operation. For example, it can be used in welding robot joints.

Collaborative Robots, Service Robots, and Special-Purpose Robots: This series features an ultra-thin design with a minimal cross-section of just 5mm, making it perfect for lightweight, compact, and high-precision rotating components. It plays a key role in these advanced robots.

2. Machine Tools

Indexing Mechanisms and CNC Rotary Tables: Machine tools demand high precision, rigidity, and stability in their spindles and transmission systems for accurate workpiece machining. The BNAT905 bearing provides high-precision, rigid, and stable support, suitable for indexing mechanisms and CNC rotary tables. It performs reliably under high speed, heavy load, and high-temperature conditions, ensuring stable machine tool operation.

3. Motor Industry

Inner Rotor DD Motors: In inner rotor DD motors, the BNAT905 bearing meets the need for high-precision rotation of either the inner or outer ring, ensuring smooth motor operation.

4. Other Applications

Alignment Platforms: Due to its ultra-thin structure and high precision, the BNAT905 bearing is also suitable for alignment platforms. It satisfies the requirements for lightweight, compact design, and high-precision rotation.

Bearing Specifications Table

Bearing Number	Dimensions(mm)	Mounting Size	Basic Load Rating(N)	Inner Ring Mounting Hole	Outer Ring Mounting Hole	Reference Weight(Kg)
Inner Diameter	Outer Diameter	Width	Chamfer	Dynamic	Static	Hole Center	Hole size	Hole Center	Hole size	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

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Beining Intelligent Technology (Zhejiang) Co., Ltd. (formerly Ningbo Beining Bearing Co., Ltd.), established in February 2013, is a modern high-tech enterprise specializing in the research, development, design, and precision manufacturing of high-performance bearings. Operating from a 30,000 m²... Beining Intelligent Technology (Zhejiang) Co., Ltd. (formerly Ningbo Beining Bearing Co., Ltd.), established in February 2013, is a modern high-tech enterprise specializing in the research, development, design, and precision manufacturing of high-performance bearings. Operating from a 30,000 m²...

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Beining Intelligent Technology (Zhejiang) Co., Ltd
No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
https://www.precisionball-bearing.com/

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