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

Subtotal (1 pack of 5 units)*

£113.03

(exc. VAT)

£135.64

(inc. VAT)

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1 +£113.03£22.606

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RS Stock No.:
587-798
Mfr. Part No.:
W 637/3-2Z
Brand:
SKF
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Brand

SKF

Product Type

Deep Groove Ball Bearing

Inside Diameter

3mm

Outside Diameter

6mm

Race Width

3mm

Cage Material

Stainless Steel

Race Material

Stainless Steel

Ball Material

Stainless Steel

End Type

Shielded

Number of Rows

1

Internal Clearance

CN

Static Load Rating

0.04kN

Dynamic Load Rating

0.117kN

Series

637

Standards/Approvals

ISO P0 / ABEC 1

Bore Type

Deep Groove

Limiting Speed

85000rpm

Bearing Type

Radial

Race Type

Deep Grooved

SKF 637 Series Deep Groove Ball Bearing, 3mm Inside Diameter, 6mm Outside Diameter - W 637/3-2Z


This deep-groove ball bearing is a Compact, shielded solution engineered for precision rotational support in small-scale equipment. It is intended for applications where low friction and consistent running at very high speeds are required, offering corrosion-resistant contact surfaces and a sealed configuration to limit contamination in Compact assemblies.

Features and Benefits:


• Shields on both sides reduce ingress and simplify maintenance
• Stainless-steel rolling elements resist corrosion during operation
• Stainless-steel rings provide Durable wear resistance under load
• Rated for up to 85,000 r/min to support high-speed motors
• Dynamic capacity 0.117 kN and static capacity 0.036 kN for load handling

Applications


• Suitable for precision fans and micro blowers in electronics cooling
• Ideal for spindle support in miniature rotary actuators
• Used with small high-speed motors in robotics and automation
• Can be used for rotary encoders and sensor shafts in control systems

How does the sealing affect lubrication needs?


The double shields limit contamination but do not retain grease indefinitely, so periodic relubrication is advisable based on operating hours and environment.

What does bearing internal clearance mean for installation?


The CN rating denotes normal clearance at ambient temperature, allowing slight axial and radial movement to accommodate thermal expansion and shaft tolerances.

How do load ratings translate to application selection?


Use the dynamic load Value for assessing fatigue life under continuous rotation and the static load Value when sizing for infrequent or stationary Peak loads.

Are there considerations for mounting on small-diameter shafts?


Precision in shaft concentricity and appropriate interference or transition fits are important to prevent distortion of the ring and maintain rotational accuracy.

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