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In order to come up with the Best Deep-Groove Ball Bearings (2021), our powerful platforms and gurus have taken many parameters into account such as product usability, features that meet consumers needs and give buyer satisfaction, defect and deficiency-free, conformity of standards, quality/price ratio, service requirements, level of design standards, quality conformance to needs and regulations, protection and safety, real buyer satisfaction and many others. It is worth to mention that each user has different requirements so please consider the list below as a guideline and not as a gospel. Nevertheless, in the list below you can absolutely find the overall best ones despite your needs.

Our powerful platforms and specialist tech experts work hard to identify the best product choices. We believe that our review assessment can help you simplify your purchase decision and select among the absolute Best Deep-Groove Ball Bearings (2021).

Best Deep-Groove Ball Bearings

Best Choice No. 1
Bonbo 10Pcs Flanged Ball Bearings ID 3/4″ x OD 1-3/8″ for Lawn Mower, Wheelbarrows, Carts, Hand Trucks Wheel Alternative to 532009040, AM118315, AM127304, 10513, 251210 Etc, Deep Groove Ball Bearing
  • Perfect Fitment – For Shaft diameter 3/4″ and hubs wheels diameter 1-3/8″.
  • Premium Material – Made from top high quality bearing steel, durable.
  • Effective Protection – Double seal shields on both sides of the bearing to help lubricant in and keep impurities from entering, extending the life of machine.
  • Excellent Performance – 100% dimensional tolerance; Precise and versatile, performing well in noise and vibration detection.
  • Satisfaction Guarantee – Bonbo aims to provide best products and service for our customers. If you receive broken or defective bearings, please contact us immediately, we will compensate you with 1 year warranty or 30 days full refund.
Best Choice No. 2
uxcell 6806-2RS Deep Groove Ball Bearings 30mm Inner Dia 42mm OD 7mm Bore Double Sealed Chrome Steel Z2 2pcs
  • 6806-2RS (I.D.=30mm, O.D.=42mm, Thickness=7mm)
  • 6806-2rs bearings are sealed on BOTH SIDES to keep lubricant in
  • Made from Chrome Steel (GCr15), durability and resistance to under heavy loads
  • ABEC Tolerance 1 (P0), Z2 Noise Level for most general use
  • Static load rating of 3402 newtons and dynamic load rating of 4538 newtons
Best Choice No. 3
uxcell R188ZZ Deep Groove Ball Bearings Z2 1/4 Inch x 1/2 Inch x 3/16 Inch Double Shielded Chrome Steel 10pcs
  • R188ZZ (I.D.=1/4 inch, O.D.=1/2 inch, Thickness=3/16 inch)
  • R188-2Z bearings are shielded on BOTH SIDES to keep lubricant in
  • Made from Chromium Steel (GCr15), durability and resistance to under heavy loads
  • ABEC Tolerance 1 (P0), Z2 Noise Level for most general use
  • Static load rating of 80 newtons and dynamic load rating of 207 newtons
Best Choice No. 4
[20 Pack]608-2RS Ball Bearings – Bearing Steel and Double Rubber Sealed Miniature Deep Groove Ball Bearings for Skateboards, Inline Skates, Scooters (8mm x 22mm x 7mm)
  • – DAFUNY Ball Bearings : If these small ball bearings don’t live up to your expectations, please let us know. You take NO RISK when you purchase with us. But we’re betting you’ll fall in love with these 608 bearings , and a team of wild horses couldn’t get them out of your hands and make you send them back. You’ll probably order MORE!
  • – Pack of 20 pcs 608-2RS steel ball bearings (8x22x7mm), double-rubber sealed deep groove.
  • – This 608 2RS shielded 8x22x7 miniature ball bearing is a single-row bearings for supporting radial loads. The bearings is made of bearing steel for durability and resistance to rust, corrosion and deformity under heavy loads, and is Shields on both sides keeping lubricant in and contaminants out.
  • – It has a revolutions per minute (RPM) limit of 34,000 with grease lubrication.
  • – Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads.
Best Choice No. 5
FKG 4Pcs 6003-2RS 17x35x10mm Double Rubber Seal Deep Groove Ball Bearing
  • Size: These deep groove ball bearings have an inside diameter of 17 mm, an outside diameter of 35 mm and a width of 10 mm.
  • Rubber seal: These deep groove ball bearings have double-sided rubber seal to prevent the ingress of impurities and to save lubricant.
  • Performance: This ball bearing has the advantages of low noise, fast heat dissipation, low friction, high speed and high temperature resistance.
  • Good quality: These ball bearings are made of high quality bearing steel. Its steel construction makes it durable and resistant to deformation under heavy loads.
  • Application: Widely used in industrial machine, motorcycle, automobile, power tools and mechanical equipment and other kinds of field
Best Choice No. 6
Donepart 684ZZ Small Bearings 4mm x 9mm x 4mm Double Shielded and Pre-Lubricated Deep Groove Ball Bearing (20 Pcs)
  • Inner Diameter : 4mm / 0.16″;Outer Diameter : 9mm / 0.35″
  • Low noise. High speed. High temperature resistance. Resistance to high load. Suitable for kinds of applications.
  • Bearing made from 100% Chrome Steel(not low carbon steel) for durability and resistance.
  • Single-row, pre-lubricated, normal accuracy.
  • Miniature Deep Groove Ball Bearing suitable for all kinds of industrial equipment, micro motor,small rotary motor,office equipment and so on.
Best Choice No. 7
uxcell 6801-2RS Deep Groove Ball Bearing 12x21x5mm Double Sealed ABEC-1 Bearings 10-Pack
  • 6801-2RS (I.D.=12mm, O.D.=21mm, Thickness=5mm)
  • 6801rs bearings are sealed on BOTH SIDES to keep lubricant in
  • Chromium Steel long-life bearings, smooth and low noise
  • ABEC Tolerance 1 (P0), Z1 Noise Level for most general use
  • Static load rating of 1000 newtons and dynamic load rating of 1900 newtons
Best Choice No. 8
608ZZ 8 x 22 x 7 mm Deep Groove Ball Bearing, 10 Pcs Double Metal Shielded, Fit for Skateboard Bearings, 3D Printer RepRap Wheel, Longboard, Roller Skates, Inline Skates, Scooters etc. (Pack of 10)
  • [PRODUCT TYPE & MODEL] Model type: 608ZZ. Product type: Single row deep groove ball bearings. Package Included: 10 pcs 608zz bearings.
  • [608ZZ DIMENSIONS] Inner Bore = 8 mm; Outer Diameter = 22 mm; Width = 7 mm.
  • [HIGH QUALITY MATERIAL] Material: High quality carbon steel.
  • [PRODUCT FEATURES] Low noise. High speed. High temperature resistance. Resistance to high load. Suitable for kinds of applications.
  • [WIDE APPLICATION] Fit for skateboards, inline skates, roller skates, scooters, and other skating applications, also available for 3D printer wheel bearings, CNC, etc.
Best Choice No. 9
Yowming10PCS 6000-2RS 0.39″ x 1″ x 0.31″ ABEC-5 Deep Groove Ball Bearing,Rubber Shielded Ball Bearings
  • The dimension accuracy is less than + 0.005mm, the handle is smooth, the speed is greater than 6000rpm, the noise is low, and the service life is long. It is suitable for high speed motors, high speed models, instruments, precision equipment, high grade toys and so on.
  • Material: High quality carbon steel. Inner Bore = 10 mm / 0.39″; Outer Diameter = 26mm / 1″ ; Width = 8 mm /0.31″
  • Low noise. High speed. High temperature resistance. Resistance to high load.
  • Single row deep groove ball bearings. Package Included: 10 pcs 6000RS bearings.
  • Widely used in: Roller skates, Skateboarding, Twisting cars, Running shoes, In-line wheels, Double row wheels, MTB, SUV and other Extreme sports equipment.
Best Choice No. 10
Mlxkell 608-2RS 8x22x7mm Roller Skate Bearings Ball Bearings and Double Rubber Sealed Miniature deep Groove Ball Bearings,Suitable for Skateboard Bearings,3D Printer RepRap Wheels,Inline wheels-22PCS
  • ☞Material: High quality carbon steel.
  • ☞Model type: 608-RS. Product type: Single row deep groove ball bearings. DIMENSIONS: Inner Bore = 8 mm; Outer Diameter = 22 mm; Width = 7 mm.
  • ☞PRODUCT FEATURES: Low noise. High speed. High temperature resistance. Resistance to high load. Suitable for kinds of applications.
  • ☞WIDE APPLICATION:Fit for skateboards,robotics, inline skates, roller skates, scooters, and other skating applications, also available for 3D printer wheel bearings, CNC, etc.
  • ☞ Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads.

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