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{"title":"Shaft 80 Mm BNAT805 Crossed Roller Robot Bearing 80X91X5mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/3e\/4af997bfd19401041daa301011fc-200x200-1\/shaft_80_mm_bnat805_crossed_roller_robot_bearing_80x91x5mm.jpg","attrs":{"Shaft Bore":"80mm","Bearing Name":"BNAT805 Crossed Roller Bearing","Brand Name":"CNBTZC or OEM","Model Number":"BNAT805"}}
{"title":"Crossed Roller Bearing RA7008UUCC0 70X86X8mm High Rigidity Compact Design Linear","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/60\/b2ccecf38208f101cad7075ef317-200x200-1\/crossed_roller_bearing_ra7008uucc0_70x86x8mm_high_rigidity_compact_design_linear_guide_slide.jpg","attrs":{"Shaft Bore":"70mm","Replaceable With":"THK","Brand Name":"CNBTZC or OEM","Model Number":"RA7008UUCC0"}}
{"title":"617\/6 676 ZZ Minature Deep Groove Ball Bearings 6mm X 10mm X 3mm Thin Section","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/c4\/9beeaeef137ce0811e17759d1ec7-200x200-1\/617_2f6_676_zz_minature_deep_groove_ball_bearings_6mm_x_10mm_x_3mm_thin_section_robot_bearings.jpg","attrs":{"Brand Name":"CNBTZC or OEM","Model Number":"676 ZZ","Certification":"IATF16949:2016","Place of Origin":"China"}}
6702 Open Deep Groove Ball Bearings 15×21×4mm Thin Section Robot Bearing 61702
Product Overview
The 61702 6702 deep groove ball bearing, with dimensions of 15mm inner diameter × 21mm outer diameter × 4mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.
Technical Specifications
Bearing Number
Boundary Dimensions (mm)
Basic Load Rating (N)
Limiting Speed (rpm)
Weight (kg)
d | D | B | B1 | r(min)
Cr | Cor
Grease | Oil
Wt ≈
61700 ZZ
10 | 15 | 3 | 4 | 0.1
800 | 390
34000 | 40000
0.00190
61701 ZZ 2RS
12 | 18 | 4 | 4 | 0.2
910 | 530
32000 | 38000
0.00310
61702 ZZ 2RS
15 | 21 | 4 | 4 | 0.2
850 | 490
28000 | 32000
0.00360
61703 ZZ 2RS
17 | 23 | 4 | 4 | 0.2
960 | 610
26000 | 30000
0.00400
61704 ZZ 2RS
20 | 27 | 4 | 4 | 0.2
1030 | 720
23000 | 28000
0.00590
61705 ZZ 2RS
25 | 32 | 4 | 4 | 0.2
1090 | 830
19000 | 23000
0.00700
61706 ZZ 2RS
30 | 37 | 4 | 4 | 0.2
1170 | 980
16000 | 19000
0.00830
61707 ZZ 2RS
35 | 44 | 5 | 5 | 0.3
1850 | 1630
14000 | 17000
0.01500
61708 ZZ 2RS
40 | 50 | 6 | 6 | 0.3
2519 | 2234
12000 | 15000
0.02300
61709 ZZ 2RS
45 | 55 | 6 | 6 | 0.3
2577 | 2401
9000 | 13000
0.02500
61710 ZZ 2RS
50 | 62 | 6 | 6 | 0.3
2666 | 2636
7000 | 10000
0.03400
61711 ZZ 2RS
55 | 68 | 7 | 7 | 0.3
2880 | 3070
5000 | 8000
0.05500
Detailed Specifications
Type
Deep Groove Ball
Inner/Outer Ring/Ball Material
Chrome Steel
Cage Material
Steel
Cage Type
Punching
Precision
P0, P6
Inner Dimension d(Ø)(mm)
15
Outer Dimension D(Ø)(mm)
21
Width B (or T)(mm)
4
Lubrication
Grease
Load Direction
Radial
Specifications/Environment
Standard
Number of Raceway Ring Rows
Single Track
Size Standards
Metric Series
Applications & Technical Features
The 6702 bearing, as a deep groove ball bearing, is widely used across various fields due to its structural design and material adaptability (e.g., ceramic or bearing steel).
High-Temperature & Corrosive Environments
Chemical Equipment: Used in reactors and pumps that handle strong acids or alkalis
High-Temperature Industrial Equipment: Found in furnaces, steel smelting equipment, and plastic molding machines
Medical Devices: Suitable for sterile, corrosion-resistant surgical tools and testing equipment
Home Appliances & Power Tools
Personal Care Devices: Included in hair curlers, bladeless hair dryers, and electric toothbrushes
Small Motors: Used in vacuum cleaners, juicers, and other home appliances
Power Tools: Applied in grinders, impact drills, and other high-load tools
Industrial Machinery & Automation
CNC Machines: Provides spindle support and guide rail systems with high precision and low friction
Textile Machinery: Used in high-speed spinning machines and looms
Printing Equipment: Ensures wear resistance and stable operation in roller bearing units
Automotive & Transportation Equipment
Automotive Motors: Found in wiper motors and electric window drive components
Bicycle Bottom Brackets: Features a thin-wall design for lightweight requirements
Precision Instruments & Special Applications
Non-Magnetic Equipment: Ideal for laboratory instruments and demagnetization devices
High-Speed Equipment: Used in centrifuges and precision optical instruments
Other Fields
Food Machinery: Stainless steel bearings used in packaging and filling equipment, requiring frequent cleaning and rust prevention
Energy Equipment: Small transmission components in wind turbines
If you need more detailed information, feel free to ask!
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...