Deep Groove Ball Bearings, or Deep Groove Radial Ball Bearings, are essential components in various types of machinery. Designed to enable smooth and efficient operation with little maintenance, Deep Groove Bearings are characterised by deep raceway grooves inside the inner and outer rings. The design of Deep Groove Ball Bearings allows them to accommodate both radial and axial loads in both directions, making them versatile for use in a wide range of applications. Deep Groove Radial Ball bearings can withstand high-speed rotations and are available in many designs, sizes, and variants. They are the most commonly used bearing type, serving applications in multiple industries worldwide. Deep Groove Ball Bearings play a crucial role in maintaining smooth and reliable mechanical operations, whether used in electric motors, gearboxes, engines, machine tools, or endless equipment applications. We stock a range of metric and imperial Deep Groove Ball Bearings from world-renowned brands such as SKF, FAG, NSK and Timken. Discover our range of Radial Ball Bearings below.
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6306 2RS - Timken Deep Groove Radial Ball Bearing - 30x72x19mm
Timken
$40.09This 6306-2RS bearing is a sealed deep groove ball bearing with a Normal Radial Internal Clearance Greater. The bearing's dimensions are 30x72x19mm63062RS Medium Series30mm - Bore SizeRubber Seals on Both Sides of the BearingNormal Radial Internal...$40.09 -
6306 2Z SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$28.41This 6306 2Z SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.63062Z Medium Series30mm - Bore SizeMetal Shields on Both Sides of BearingNormal Radial Internal...$28.41 -
6306 2RS1 SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$32.07This 6306 2RS1 SKF bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.63062RS1 Medium Series30mm - Bore SizeRubber Seals on Both Sides of BearingNormal Radial Internal...$32.07 -
6306 2RSR FAG Deep Groove Bearing - 30 x 72 x 19mm
FAG
$31.43This 6306 2RSR FAG bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.63062RSR Medium Series30mm - Bore SizeRubber Seals on Both Sides of BearingNormal Radial Internal...$31.43 -
6306 SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$24.65This 6306 SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306 Medium Series30mm - Bore SizeOpen TypeNormal Radial Internal Clearance$24.65 -
6306 Z NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$26.17This 6306Z NSK bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306Z Medium Series30mm - Bore SizeMetal Shield on One Side of BearingNormal Radial Internal...$26.17 -
6306 ZZ NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$28.79This 6306ZZ NSK bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306ZZ Medium Series30mm - Bore SizeMetal Shields on Both Sides of BearingNormal Radial Internal...$28.79 -
6306 KOYO Deep Groove Bearing - 30 x 72 x 19mm
Koyo
$25.03This 6306 KOYO bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19. 6306 Medium Series 30mm - Bore Size Open Type Normal Radial Internal Clearance$25.03 -
6306 NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$25.03This 6306 NSK bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306 Medium Series30mm - Bore SizeOpen TypeNormal Radial Internal Clearance$25.03 -
6306-RS - Timken Deep Groove Radial Ball Bearings - 30x72x19mm
Timken
$40.09This 6306-RS bearing is a sealed deep groove ball bearing with a Normal Radial Internal Clearance Greater. The bearing's dimensions are 30x72x19mm6306RS Medium Series30mm - Bore SizeRubber Seal on One Side of the BearingNormal Radial Internal...$40.09 -
6306-Z - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$34.636306zMetric, Medium30mm - Bore SizeSingle Metal Shield on One SideSteel CageNormal Internal Clearance$34.63 -
6306 - Timken Deep Groove Radial Ball Bearing - 30x72x19mm
Timken
$30.93This 6306 bearing is a Open Type deep groove ball bearing with a Normal Radial Internal Clearance Greater. The bearing's dimensions are 30x72x19mm6306 Medium Series30mm - Bore SizeOpen TypeNormal Radial Internal Clearance Greater$30.93 -
6306 FAG Deep Groove Bearing - 30 x 72 x 19mm
FAG
$24.17This 6306 FAG bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306 Medium Series30mm - Bore SizeOpen TypeNormal Radial Internal Clearance$24.17 -
6306N - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$44.816306 n Metric, Medium 30mm - Bore Size Open Type Snap Ring Steel Cage Normal Internal Clearance$44.81 -
6306 2RS QBL Deep Groove Bearing - 30 x 72 x 19mm
QBL
$15.48This 6306 2RS QBL bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.63062RS Medium Series30mm - Bore SizeRubber Seals on Both Sides of BearingNormal Radial Internal...$15.48 -
6306 ZZ - Timken Deep Groove Radial Ball Bearing - 30x72x19mm
Timken
$35.57This 6306-ZZ bearing is a shielded deep groove ball bearing with a Normal Radial Internal Clearance Greater. The bearing's dimensions are 30x72x19mm6306ZZ Medium Series30mm - Bore SizeMetal Shields on Both Sides of the BearingNormal Radial Internal...$35.57 -
6306 ZNR - SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$72.91This 6306 ZNR SKF bearing is a Deep Groove Radial Ball Bearing Shielded on One Side with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are...$72.91 -
6306 DDU NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$32.51This 6306DDU NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306DDU Medium Series30mm - Bore SizeRubber Seals on Both Sides of BearingNormal Radial Internal...$32.51 -
6306-Z - Timken Deep Groove Radial Ball Bearings - 30x72x19mm
Timken
$35.57This 6306-Z bearing is a shielded deep groove ball bearing with a Normal Radial Internal Clearance Greater. The bearing's dimensions are 30x72x19mm6306Z Medium Series30mm - Bore SizeMetal Shield on One Side of the BearingNormal Radial Internal...$35.57 -
6306 2ZR FAG Deep Groove Bearing - 30 x 72 x 19mm
FAG
$27.84This 6306 2ZR FAG bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.63062ZR Medium Series30mm - Bore SizeMetal Shields on Both Sides of BearingNormal Radial Internal...$27.84 -
6306 NR - SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$56.30This 6306NR SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306...$56.30 -
6306DU - NSK Deep Groove Radial Ball Bearings - 30x72x19mm
NSK
$29.276306duMetric, Medium30mm - Bore SizeSingle Rubber Seal on One SideSteel CageNormal Internal Clearance$29.27 -
6306-RS1 - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$39.066306rs1 Metric, Medium 30mm - Bore Size Single Rubber Seal on One Side Steel Cage Normal Internal Clearance$39.06 -
6306 RSR - FAG Deep Groove Bearing - 30x72x19mm
FAG
$38.27This 6306 RSR FAG bearing is a Deep Groove Radial Ball Bearing Sealed on One Side with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306RSR Medium Series30mm - Bore SizeRubber Seal on One SideNormal Radial Internal...$38.27 -
306 -SKF Deep Groove Bearing - 30x72x19mm
SKF
$137.72This 306 SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19. 306 Deep Groove Ball Bearings 30mm - Bore Size Open Type Normal Radial Internal Clearance ...$137.72 -
6306 2RS KOYO Deep Groove Bearing - 30 x 72 x 19mm
Koyo
$32.51This 6306 2RS KOYO bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.63062RS Medium Series30mm - Bore SizeRubber Seals on Both Sides of BearingNormal Radial Internal...$32.51 -
6306 DUNR - NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$95.11This 6306DUNR NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306DU...$95.11 -
6306 ZZ KOYO Deep Groove Bearing - 30 x 72 x 19mm
Koyo
$28.79This 6306 ZZ KOYO bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306ZZ Medium Series30mm - Bore SizeMetal Shields on Both Sides of BearingNormal Radial Internal...$28.79 -
330 - Hoffmann Deep Groove Bearing - 30x72x19mm
Hoffmann
$74.76This 330 Hoffmann bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance. The bearing's dimensions are 30x72x19.$74.76 -
6306 2RS1NR - SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$127.81This 6306 2RS1NR SKF bearing is a Sealed Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19...$127.81 -
6306 QBL Deep Groove Bearing - 30 x 72 x 19mm
QBL
$11.95This 6306 QBL bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306 Medium Series30mm - Bore SizeOpen TypeNormal Radial Internal Clearance$11.95 -
6306-2ZGJN - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$55.4463062z gjn Metric, Medium 30mm - Bore Size Metal Shields on Both Sides of Bearing Steel Cage Normal Internal Clearance Grease with a polyurea thickener of consistency 2 to the NLGI scale for a temperature range -30°C to +150°C$55.44 -
6306 VV - NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$80.43This 6306VV NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a non-contact rubber seal, this bearing also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306VV Medium Series30mm - Bore SizeNon Contact...$80.43 -
6306 Z - FAG Deep Groove Bearing - 30x72x19mm
FAG
$33.93This 6306 Z FAG bearing is a Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306Z Medium Series30mm - Bore SizeMetal Shield on One SideNormal Radial Internal Clearance$33.93 -
6306 ZZNR - NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$121.36This 6306ZZNR NSK bearing is a Shielded Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306ZZ...$121.36 -
6306 DDUNR - NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$104.62This 6306DDUNR NSK bearing is a Sealed Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306DDU...$104.62 -
306-2Z -SKF Deep Groove Bearing - 30x72x19mm
SKF
$151.52This 306 2Z SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19. 306 Deep Groove Ball Bearings 30mm - Bore Size Metal Shields on Both Sides of Bearing...$151.52 -
306-Z - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$143.28306z Deep Groove 30mm - Bore Size Single Metal Shield on One Side Steel Cage Normal Internal Clearance$143.28 -
306NR -SKF Deep Groove Bearing - 30x72x19mm
SKF
$144.61This 306NR SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19. ...$144.61 -
330PP - Hoffmann Deep Groove Bearing - 30x72x19mm
Hoffmann
$86.03This 330PP Hoffmann bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance. The bearing's dimensions are 30x72x19.$86.03 -
330RSS - Hoffmann Deep Groove Bearing - 30x72x19mm
Hoffmann
$97.02This 330RSS Hoffmann bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance. The bearing's dimensions are 30x72x19.$97.02 -
6306 2ZNR - SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$77.43This 6306 2ZNR SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19.63062Z...$77.43 -
6306 M - FAG Deep Groove Bearing - 30x72x19mm
FAG
$366.66This 6306 M FAG bearing is a Open Type Deep Groove Radial Ball Bearing with a Machined Brass cage, this bearing also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306M Medium Series30mm - Bore SizeSolid Brass...$366.66 -
6306 MA - FAG Deep Groove Bearing - 30x72x19mm
FAG
$366.66This 6306 MA FAG bearing is a Open Type Deep Groove Radial Ball Bearing with a Machined Brass cage, this bearing also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306MA Medium Series30mm - Bore SizeSolid Brass...$366.66 -
6306 NR - NSK Deep Groove Bearing - 30 x 72 x 19mm
NSK
$88.20This 6306NR NSK bearing is a Open Type Deep Groove Radial Ball Bearing with a snap ring groove in the outer ring and an appropriate snap ring, this bearings also has a standard radial internal clearance The bearing's dimensions are 30x72x19.6306...$88.20 -
6306 ZZ QBL Deep Groove Bearing - 30 x 72 x 19mm
QBL
$13.76This 6306 ZZ QBL bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.6306ZZ Medium Series30mm - Bore SizeMetal Shields on Both Sides of BearingNormal Radial Internal...$13.76 -
6306-2RS1/GJN - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$62.5063062rs1 gjn Metric, Medium 30mm - Bore Size Rubber Seals on Both Sides of Bearing Steel Cage Normal Internal Clearance Grease with a polyurea thickener of consistency 2 to the NLGI scale for a temperature range -30°C to +150°C$62.50 -
6306/VA201 - SKF Deep Groove Radial Ball Bearings - 30x72x19mm
SKF
$123.046306va201Metric, Medium30mm - Bore SizeOpen TypeSteel CageNormal Internal ClearanceBearing for high temperature applications, with a stamped steel cage, manganese phosphate coated rings and rolling elements, radial clearance of multiples of C5, and...$123.04 -
6306ZNR - NSK Deep Groove Radial Ball Bearings - 30x72x19mm
NSK
$121.366306znrMetric, Medium30mm - Bore SizeSingle Metal Shield on One SideSnap Ring Groove with Snap RingSteel CageNormal Internal Clearance$121.36 -
BL306ZZ - NSK Deep Groove Bearing - 30x72x19mm
NSK
$206.60This BL306ZZ NSK bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19. BL306ZZ Metric, Max Capacity, Medium 30mm - Bore Size Metal Shields on Both Sides of Bearing...$206.60 -
S6306 - FAG Stainless Steel Deep Groove Bearing - 30x72x19mm
FAG
$326.90This S6306 FAG bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19. S6306 Stainless Steel Medium Series 30mm - Bore Size Open Type Normal Radial Internal...$326.90 -
S6306-2RSR - FAG Stainless Steel Deep Groove Bearing - 30x72x19mm
FAG
$375.92This S6306 2RSR FAG bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19. S63062RSR Stainless Steel Medium Series 30mm - Bore Size Rubber Seals on Both Sides of...$375.92 -
W6306 2RS1 SKF Stainless Steel SKF Deep Groove Bearing - 30x72x19mm
SKF
$383.59This W6306 2RS1 SKF bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.W63062RS1Stainless SteelMedium Series30mm - Bore SizeRubber Seals on Both Sides of Bearing$383.59 -
W6306 2Z SKF Stainless Steel SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$366.89This W6306 2Z SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.W63062ZStainless SteelMedium Series30mm - Bore SizeMetal Shields on Both Sides of Bearing$366.89 -
W6306 SKF Stainless Steel SKF Deep Groove Bearing - 30 x 72 x 19mm
SKF
$333.56This W6306 SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x72x19.W6306 Stainless SteelMedium Series30mm - Bore SizeOpen Type$333.56
Frequently Asked Questions
What is a Deep Groove in a Radial Ball Bearing?
A deep groove in a Radial Ball Bearing refers to the design of the inner and outer raceways (also referred to as races or rings), which have a deep concave spherical profile matching the profile of the balls' surface. This design provides a larger contact area, allowing the bearing to handle higher axial and radial loads. Deep Groove Ball Bearings are versatile and commonly used in automotive and industrial machinery.
Why use a deep groove ball bearing?
Deep Groove Ball Bearings are widely used due to their versatility and ability to support both radial and axial loads. Their simple design, featuring a deep raceway, allows for smooth and quiet operation with minimal friction. Deep Grooves are suitable for high-speed applications making them ideal for use in multiple applications.
What load type is a Deep Groove Ball Bearing?
Deep Groove Ball Bearings handle both radial and axial loads. They are suitable for high-speed applications and are commonly used in industries like automotive and industrial machinery due to their ability to manage mixed load types efficiently. Radial ball bearings operate at high speeds with low friction. Known for durability, they minimise wear and reduce maintenance costs.
What is the difference between a thrust ball bearing and a radial ball bearing?
Thrust ball bearings support axial loads parallel to the shaft and are used where the primary load is along the axis of rotation. Radial ball bearings, on the other hand, handle radial loads perpendicular to the shaft and can also manage some axial loads. Radial bearings are suited for high-speed applications, while thrust ball bearings are specialised to provide axial load support.