Stainless Steel Ball Bearings

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SNR S6206EEFD 1 Row Ball Bearing - 30 mm ID, 62 mm OD

RS Stock No. 014-6015

Brand SNR

Cage Material: Stainless Steel
Outside Diameter: 62 mm
Super Section: Rotary Bearings & Housing Units

AED 372.05

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SNR S6005EEFD 1 Row Ball Bearing - 25 mm ID, 47 mm OD

RS Stock No. 014-6003

Brand SNR

Dynamic Load Rating: 7.7kN
Limiting Speed: 9100rpm
Number of Rows: 1

AED 234.81

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SKF W 619/3-2Z 1 Row Deep Groove Ball Bearing - 3 mm ID, 8 mm OD

RS Stock No. 058-7738

Brand SKF

Ball Material: Stainless Steel
Dynamic Load Rating: 0.225kN
Outside Diameter: 8 mm

AED 722.07

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SKF W 619/4-2Z 1 Row Deep Groove Ball Bearing - 4 mm ID, 11 mm OD

RS Stock No. 058-8248

Brand SKF

Category: Ball Bearings
Dynamic Load Rating: 0.624kN
End Type: Shielded

AED 804.09

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SKF W 638/3-2Z 1 Row Deep Groove Ball Bearing - 3 mm ID, 7 mm OD

RS Stock No. 058-7739

Brand SKF

Bearing Type: Radial
Dynamic Load Rating: 0.085kN
End Type: Shielded

AED 647.25

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SKF W 637/3-2Z 1 Row Deep Groove Ball Bearing - 3 mm ID, 6 mm OD

RS Stock No. 058-7798

Brand SKF

Number of Rows: 1
Race Type: Deep Grooved
Race Width: 3mm

AED 666.24

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SKF W 638/2-2Z 1 Row Deep Groove Ball Bearing - 2 mm ID, 5 mm OD

RS Stock No. 058-8076

Brand SKF

Ball Material: Stainless Steel
Category: Ball Bearings
Super Section: Rotary Bearings & Housing Units

AED 647.25

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SKF W 637/8-2Z 1 Row Deep Groove Ball Bearing - 8 mm ID, 12 mm OD

RS Stock No. 058-8249

Brand SKF

Internal Clearance: CN
Outside Diameter: 12 mm
Race Material: Stainless Steel

AED 666.24

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NMB DDR-1650HHMTRA1P24LY121 1 Row Ball Bearing - 5 mm ID, 16 mm OD

RS Stock No. 013-8635

Brand NMB

Bore Type: Parallel
Inside Diameter: 5 mm
Number of Rows: 1

AED 56.85

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NMB DDLF1910ZZRA5P24LY121 1 Row Ball Bearing - 10 mm ID, 19 mm OD

RS Stock No. 054-0312

Brand NMB

Material: Steel
Race Type: Flanged
Race Width: 7mm

AED 114.82

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NMB DDRF830ZZRA5P24LY121 1 Row Ball Bearing - 3 mm ID, 8 mm OD

RS Stock No. 054-0384

Brand NMB

Inside Diameter: 3 mm
Outside Diameter: 8 mm
Product Type: Ball Bearing

AED 95.16

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NMB DDR1340ZZMTRA5P24LY121 1 Row Ball Bearing - 4 mm ID, 13 mm OD

RS Stock No. 074-7743

Brand NMB

Ball Material: Stainless Steel
Product Type: Ball Bearing
Race Width: 5mm

AED 58.31

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NMB DDL-950ZZHA5P24LY121 1 Row Ball Bearing - 5 mm ID, 9 mm OD

RS Stock No. 074-7759

Brand NMB

Bore Type: Parallel
Number of Rows: 1
Race Type: Plain

AED 83.48

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NMB DDR-1760X2ZZMTP24LY121 1 Row Ball Bearing - 6 mm ID, 17 mm OD

RS Stock No. 074-7793

Brand NMB

Bearing Type: Double Row Deep Groove Ball
Inside Diameter: 6 mm
Section: Bearings & Seals

AED 61.46

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RS PRO SS604-2RS 1 Row Ball Bearing - 4 mm ID, 12 mm OD

RS Stock No. 261-2678

Brand RS Pro

Cage Material: Stainless Steel
Category: Ball Bearings
Section: Bearings & Seals

AED 117.69

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RS PRO SS606-2RS 1 Row Ball Bearing - 6 mm ID, 17 mm OD

RS Stock No. 261-2680

Brand RS Pro

Bearing Series: 0 Extra Light
Dynamic Load Rating: 1.627kN
Partial Bearing Code: 606

AED 246.05

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RS PRO SS625-2RS 1 Row Ball Bearing - 5 mm ID, 16 mm OD

RS Stock No. 261-2695

Brand RS Pro

Ball Bearing Type: Single Row Deep Groove Ball Bearing
Cage Material: Stainless Steel
Sealing Arrangement: Both Sides Sealed

AED 179.20

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RS PRO SS626-2RS 1 Row Ball Bearing - 6 mm ID, 19 mm OD

RS Stock No. 261-2696

Brand RS Pro

Bearing Clearance: CN
Bearing Series: 2 Light
Material: Stainless Steel

AED 219.64

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NMB DDR-620ZZHA1P24LY121 1 Row Ball Bearing - 2 mm ID, 6 mm OD

RS Stock No. 612-5723

Brand NMB

Category: Ball Bearings
Inside Diameter: 2 mm
Race Material: Martensitic Stainless Steel

AED 63.59

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NMB DDL-730ZZHA1P25LY121 1 Row Ball Bearing - 3 mm ID, 7 mm OD

RS Stock No. 612-5745

Brand NMB

Bearing Type: Double Row Deep Groove Ball
Bore Type: Parallel
Dynamic Load Rating: 384N

AED 43.37

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NMB DDL-840ZZHA1P25LY121 1 Row Ball Bearing - 4 mm ID, 8 mm OD

RS Stock No. 612-5767

Brand NMB

Bearing Type: Double Row Deep Groove Ball
Cage Material: Steel
Super Section: Rotary Bearings & Housing Units

AED 52.02

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NMB DDL-940ZZRA5P25LY121 1 Row Ball Bearing - 4 mm ID, 9 mm OD

RS Stock No. 612-5789

Brand NMB

Ball Material: Stainless Steel
Product Type: Ball Bearing
Static Load Rating: 226kN

AED 47.86

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NMB DDR-1960ZZRA5P25LY121 1 Row Ball Bearing - 6 mm ID, 19 mm OD

RS Stock No. 612-5846

Brand NMB

Bore Type: Parallel
Category: Ball Bearings
Product Type: Ball Bearing

AED 52.36

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NMB DDL-1170ZZMTHA5P24LY121 1 Row Ball Bearing - 7 mm ID, 11 mm OD

RS Stock No. 612-5868

Brand NMB

Race Material: Martensitic Stainless Steel
Race Type: Plain
Static Load Rating: 199kN

AED 71.57

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What are Stainless Steel Ball Bearings?

Stainless steel ball bearings are precision mechanical components designed to support radial and axial loads with minimal friction. Made from corrosion-resistant stainless steel, these bearings resist rust, moisture, and many chemicals, making them ideal for challenging environments. They combine hard, wear-resistant races with hardened steel balls to deliver smooth rotation, long service life, and dependable performance in demanding applications.

Where are stainless steel ball bearings commonly used?

These bearings are widely used across industries that require hygiene, corrosion resistance, and reliability. Typical sectors include food and beverage processing, pharmaceuticals, marine equipment, medical devices, automotive components, packaging machinery, and outdoor or wet environments. They’re also favored in precision equipment that must withstand washdowns, humidity, salt spray, or aggressive cleaners.

What makes stainless steel ball bearings different from chrome steel bearings?

The primary difference is corrosion resistance. Stainless steel bearings use alloys (often 304/316 grades) that resist rust and staining, making them suitable for damp, saline, or sanitizing conditions. Chrome steel bearings, while typically offering high hardness and stiffness, are more prone to corrosion in hostile environments. Stainless variants may trade a little raw load capacity for longevity in corrosive settings, and they can be designed with seals or shields for extra protection.

What types of stainless steel ball bearings are available?

There are several common configurations to suit different loads and fits:

Deep groove bearings: versatile, handle both radial and axial loads, and widely used in general machinery.
Angular contact bearings: optimized for higher axial loads in one direction, often paired in back-to-back or tandem arrangements.
Thrust ball bearings: designed for axial loads with limited radial load, used in vertical shafts and rotational stages.
Self-aligning bearings: accommodate misalignment between shaft and housing, helpful in precision applications with some shaft runout.
Shielded or sealed variants: include contact or non-contact seals to keep contaminants out and lubrication in.

These bearings can house stainless steel balls and races made from 304/316 stainless, sometimes with hardened steel retainers or cages for smooth operation.

How do I choose the right stainless steel bearing for my application?

Selection depends on load, speed, environment, lubrication, and life expectations. Consider:

Environment: marine, washdown, or high-humidity settings favor corrosion-resistant grades (304/316) and seals or shields.
Load and speed: deeper grooves or angular contact designs for higher axial loads; higher precision ABEC classes for high-speed precision equipment.
Lubrication: food-grade or specialty lubricants may be required for FDA-regulated or clean-room environments.
Seal type: shields reduce ingress of contaminants; seals provide a higher degree of retention for lubrication and protection against moisture.
Size and tolerances: select ISO or ABEC tolerances appropriate for the operating clearance and fit.

If in doubt, consult supplier data sheets and request material certifications (e.g., stainless steel grade, hardness, and surface finish) to ensure compatibility with your system.

What are common finishes and seals used with stainless steel ball bearings?

Common finishes include polished or ground races and balls for low friction and smooth rotation. Seals can be contact or non-contact, providing varying levels of dust and moisture exclusion. Shielded bearings have metal shields that protect against larger particles, while sealed bearings use elastomer seals that retain lubricant and create a barrier against contaminants. In food and pharmaceutical industries, sealed stainless bearings are often paired with food-grade lubricants and compliant with relevant hygiene standards.

How should stainless steel ball bearings be lubricated and maintained?

Proper lubrication is critical for longevity. Use lubricants compatible with stainless steel and your operating conditions (e.g., food-grade grease for sanitary applications, synthetic oils for high-speed or high-temperature use). Maintenance tips:

Choose the correct lubricant type and viscosity for load and speed.
Inspect seals or shields for damage and replace if compromised.
Keep the bearing housing clean to avoid abrasive contaminants.
Re-lubricate at recommended intervals or when signs of wear, noise, or overheating appear.
Store bearings in a clean, dry environment before installation to prevent surface corrosion.

Routine checks and adhering to manufacturer guidelines will extend service life in challenging environments.

What are typical performance metrics for stainless steel ball bearings?

Performance is assessed by load rating, speed rating, accuracy, and life. Important terms include:

Dynamic load rating: the bearing’s ability to withstand repeated loads in operation.
Static load rating: the maximum static load before permanent deformation occurs.
ABEC tolerance: precision grade indicating allowable play at high speeds (common ranges from ABEC 1 to ABEC 9).
Seal/shield protection: a measure of how well contaminants are kept out and lubricant retained.
Corrosion resistance: expressed by stainless grade and surface treatment, essential for damp or saline environments.

Selecting bearings with appropriate metrics ensures reliable performance in your equipment.

Are stainless steel ball bearings suitable for food-grade and cleanroom environments?

Yes. Stainless steel bearings are often preferred in food processing and pharmaceutical settings due to corrosion resistance and hygienic properties. Look for certifications and compliance such as FDA-approved lubricants, NSF registration, and cleanroom-compatible finishes. Sealed or sealed-for-food variants help maintain sanitation by reducing contaminant ingress and facilitating easier cleaning.

What are the durability advantages of stainless steel ball bearings in harsh environments?

Stainless steel bearings resist rust, pitting, and chemical attack, enabling longer service life in marine, coastal, or industrial washdown scenarios. Their hardness and surface finish reduce wear, while corrosion resistance minimizes maintenance downtime. When paired with correct sealing and lubrication, they deliver reliable performance under high humidity, salty spray, and aggressive cleaners.

How do I source stainless steel ball bearings from RS Components?

RS Components offers a broad range of stainless steel ball bearings with detailed specifications, including bore size, outer diameter, thickness, stainless grade (304/316), seal or shield options, and tolerance classes. When selecting, you can filter by load rating, speed, material compatibility, and lubrication needs. Customer support and datasheets help you compare alternatives and choose the best fit for your equipment, budget, and compliance requirements.

Steel bar Stainless steel sheet metals Stainless steel fittings Stainless steel plates Stainless steel tubes Disposable ansell gloves Terminal strips with shorts Murata GQM Bolt Hole Castor Wheels Panasonic FKS

"Stainless Steel Ball Bearings"

SNR S6206EEFD 1 Row Ball Bearing - 30 mm ID, 62 mm OD

SNR S6005EEFD 1 Row Ball Bearing - 25 mm ID, 47 mm OD

SKF W 619/3-2Z 1 Row Deep Groove Ball Bearing - 3 mm ID, 8 mm OD

SKF W 619/4-2Z 1 Row Deep Groove Ball Bearing - 4 mm ID, 11 mm OD

SKF W 638/3-2Z 1 Row Deep Groove Ball Bearing - 3 mm ID, 7 mm OD

SKF W 637/3-2Z 1 Row Deep Groove Ball Bearing - 3 mm ID, 6 mm OD

SKF W 638/2-2Z 1 Row Deep Groove Ball Bearing - 2 mm ID, 5 mm OD

SKF W 637/8-2Z 1 Row Deep Groove Ball Bearing - 8 mm ID, 12 mm OD

NMB DDR-1650HHMTRA1P24LY121 1 Row Ball Bearing - 5 mm ID, 16 mm OD

NMB DDLF1910ZZRA5P24LY121 1 Row Ball Bearing - 10 mm ID, 19 mm OD

NMB DDRF830ZZRA5P24LY121 1 Row Ball Bearing - 3 mm ID, 8 mm OD

NMB DDR1340ZZMTRA5P24LY121 1 Row Ball Bearing - 4 mm ID, 13 mm OD

NMB DDL-950ZZHA5P24LY121 1 Row Ball Bearing - 5 mm ID, 9 mm OD

NMB DDR-1760X2ZZMTP24LY121 1 Row Ball Bearing - 6 mm ID, 17 mm OD

RS PRO SS604-2RS 1 Row Ball Bearing - 4 mm ID, 12 mm OD

RS PRO SS606-2RS 1 Row Ball Bearing - 6 mm ID, 17 mm OD

RS PRO SS625-2RS 1 Row Ball Bearing - 5 mm ID, 16 mm OD

RS PRO SS626-2RS 1 Row Ball Bearing - 6 mm ID, 19 mm OD

NMB DDR-620ZZHA1P24LY121 1 Row Ball Bearing - 2 mm ID, 6 mm OD

NMB DDL-730ZZHA1P25LY121 1 Row Ball Bearing - 3 mm ID, 7 mm OD

NMB DDL-840ZZHA1P25LY121 1 Row Ball Bearing - 4 mm ID, 8 mm OD

NMB DDL-940ZZRA5P25LY121 1 Row Ball Bearing - 4 mm ID, 9 mm OD

NMB DDR-1960ZZRA5P25LY121 1 Row Ball Bearing - 6 mm ID, 19 mm OD

NMB DDL-1170ZZMTHA5P24LY121 1 Row Ball Bearing - 7 mm ID, 11 mm OD

What are Stainless Steel Ball Bearings?

Where are stainless steel ball bearings commonly used?

What makes stainless steel ball bearings different from chrome steel bearings?

What types of stainless steel ball bearings are available?

How do I choose the right stainless steel bearing for my application?

What are common finishes and seals used with stainless steel ball bearings?

How should stainless steel ball bearings be lubricated and maintained?

What are typical performance metrics for stainless steel ball bearings?

Are stainless steel ball bearings suitable for food-grade and cleanroom environments?

What are the durability advantages of stainless steel ball bearings in harsh environments?

How do I source stainless steel ball bearings from RS Components?