Top 10 Best 6306 bearing in 2026

Last Updated - 6/6/2026

🏆Best Choice

XIKE

XiKe 10 Pcs 6306-2RS Double Rubber Seal Bearings 30x72x19mm, Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings.

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Premium Quality:Manufactured with chrome steel and high-grade lubricants, ensuring high precision, durability and wear resistance even under high speeds or heavy loads. The dual rubber seals provide excellent protection against corrosion.
•Easy Maintenance: The components are designed for routine maintenance. Lubricant can be reapplied as needed to promote longevity. The steel shield provides added protection for internal parts.
•Wide Range of Applications:With the compact size, these bearings are versatile for various light equipment and instruments requiring precision operation, such as motors, pumps, fans, instruments, etc. The optimized internal design allows for low friction and noise even after prolonged use.
•Excellent Cost-effectiveness:These bearings deliver reliable performance at an affordable price. The premium quality and proven longevity make them a cost-effective option for replacing old bearings or upgrading equipment.
•Complete Satisfaction Guaranteed: If our product has any quality issues, please let us know within 6 months of your original purchase and we will promptly issue refund. Your total satisfaction is our top priority.

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$39.99

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XIKE

XiKe 2 Pcs 6306-2RS Double Rubber Seal Bearings 30x72x19mm, Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings.

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Premium Quality:Manufactured with chrome steel and high-grade lubricants, ensuring high precision, durability and wear resistance even under high speeds or heavy loads. The dual rubber seals provide excellent protection against corrosion.
•Easy Maintenance: The components are designed for routine maintenance. Lubricant can be reapplied as needed to promote longevity. The steel shield provides added protection for internal parts.
•Wide Range of Applications:With the compact size, these bearings are versatile for various light equipment and instruments requiring precision operation, such as motors, pumps, fans, instruments, etc. The optimized internal design allows for low friction and noise even after prolonged use.
•Excellent Cost-effectiveness:These bearings deliver reliable performance at an affordable price. The premium quality and proven longevity make them a cost-effective option for replacing old bearings or upgrading equipment.
•Complete Satisfaction Guaranteed: If our product has any quality issues, please let us know within 6 months of your original purchase and we will promptly issue refund. Your total satisfaction is our top priority.

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$15.99

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uxcell

uxcell 6306 Deep Groove Ball Bearings 30mm Bore 72mm OD 19mm Thick C3 Clearance Open Type Chrome Steel

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Model - 6306 (I.D.=30mm, O.D.=72mm, Thickness=19mm)
•Material - Rolling Balls are made of chrome steel with excellent surface quality, high hardness, high load capacity, and wear resistance. Cage & Inner Outer Race are both made of stamping steel.
•Features - Single row, open type. ABEC1 accuracy, Z1 noise level, C3 clearance grade.
•Capability - Dynamic Load Rating (Cr): 26.7kN; Static Load Rating (Cor): 15kN; They are used to accommodate radial and axial loads in both directions.
•Applications - Suitable for all kinds of industrial equipment, rotary motor, roller wheels, office equipment and so on.

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$13.79

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SACKORANGE

5 Pack 6306-2RS Double Rubber Seal Deep Groove Ball Bearings, Pre-Lubricated and Stable Performance and Cost Effective Ball Bearings (6306-RS)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Premium Material for Durability：Crafted from high-hardness bearing steel and quality rubber, these 6306-2RS bearings are built to last. The durable materials ensure long-term performance, making them a reliable choice for various bearing applications, even under demanding conditions.
•Precise Dimensions for Perfect Fit：With an inner diameter of 30mm, outer diameter of 72mm, and thickness of 19mm, these bearings are designed to fit a wide range of wheels and equipment. The accurate sizing guarantees a seamless replacement, ensuring your devices run smoothly.
•Versatile Applications：Ideal for replacing worn - out bearings in cars, bikes, motorcycles, carts, machinery, electric motors, skateboard wheels, lawn mowers, air compressors, and more. Whether your equipment is making noise, has cracks, low speed, or poor friction, these bearings can solve the problem.
•High Performance：Featuring a double rubber seal, these single - row deep groove ball bearings offer excellent load - bearing capacity. They support both radial and axial loads under high speeds, providing stable and efficient operation with low friction.
•Easy Installation：Thanks to the quenching process, these bearings deliver stable performance. Installation is a breeze - simply press them evenly to avoid tilting or skewing, ensuring a secure and proper fit.

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$17.79

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uxcell

uxcell 6306 Deep Groove Ball Bearings 30mm Bore 72mm OD 19mm Thick CN Open Type Chrome Steel 2pcs

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Model - 6306 (I.D.=30mm, O.D.=72mm, Thickness=19mm)
•Material - Rolling Balls are made of chrome steel with excellent surface quality, high hardness, high load capacity, and wear resistance. Cage & Inner Outer Race are both made of stamping steel.
•Features - Single row, open type. ABEC1 accuracy, Z1 noise level, CN clearance grade.
•Capability - Dynamic Load Rating (Cr): 26.7kN; Static Load Rating (Cor): 15kN; They are used to accommodate radial and axial loads in both directions.
•Applications - Suitable for all kinds of industrial equipment, rotary motor, roller wheels, office equipment and so on.

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$19.69

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TIMKEN

TIMKEN 6306-2RS 30x72x19mm,Double Rubber Seal Bearings, Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings.

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Single Row Radial Ball Bearing
•Dimensions:30mm X 72mm X 19mm
•Double Rubber Seal Bearings
•Cr - Dynamic Load Rating 26.6 kN
•C0r - Static Load Rating 14.9 kN

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$20.60

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TIMKEN

TIMKEN 6306-2RS 2PACK 30x72x19mm,Double Rubber Seal Bearings,Pre-Lubricated and Stable Performance and Cost Effective, Deep Groove Ball Bearings

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•*Single Row Radial Ball Bearing
•*Dimensions:30 mm X 72 mm X 19 mm
•*Double Rubber Seal Bearing
•*2 Pcs

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$30.60

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FKG

FKG 6306-2RS 30x72x19mm Deep Groove Ball Bearing Double Rubber Seal Bearings Pre-Lubricated 2 Pcs

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Size: FKG deep groove ball bearings have an inside diameter of 30 mm, an outside diameter of 72 mm and a width of 19 mm.
•Rubber seal: These deep groove ball bearings have double-sided rubber seal to prevent the ingress of impurities and to save lubricant.
•Performance: FKG ball bearing have 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

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$19.97

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NSK

NSK 6306 Deep Groove Ball Bearing, Single Row, Open, Pressed Steel Cage, Normal Clearance, Metric, 30mm Bore, 72mm OD, 19mm Width, 9500rpm Maximum Rotational Speed, 3372lbf Static Load Capacity, 6002lbf Dynamic Load Capacity

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Deep-groove geometry for high speeds and supporting both radial and axial loads
•Single-row bearing for supporting radial loads
•Normal radial internal clearance for applications that do not involve thermal expansion or atypical precision
•Pressed steel cage evenly spaces the balls for even load distribution and prevents contact to reduce friction, vibrations, and noise
•Open bearing for lubrication in place and for use in applications with little exposure to dirt, grime, debris, and other contaminants

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$12.99

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SKF

SKF 6306 2ZJEM Medium Series Deep Groove Ball Bearing, Deep Groove Design, ABEC 1 Precision, Double Shielded, Non-Contact, Steel Cage, C3 Clearance, 30mm Bore, 72mm OD, 19mm Width, 6320lbf Dynamic Load Capacity

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Deep-groove geometry for high speeds and supporting both radial and axial loads
•Single-row bearing for supporting radial loads
•"Medium" bearing structure for average to above average radial loads and light to average axial loads
•C3 radial internal clearance for radial slack between the inner and outer rings that is greater than CN (normal) to compensate for thermal expansion
•Conforms to ABEC 1 precision standard for performance within a narrow range of variation

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$38.00

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