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

Subtotal (1 pack of 5 units)*

£119.88

(exc. VAT)

£143.86

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 03 December 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Pack(s)
Per Pack
Per unit*
1 +£119.88£23.976

*price indicative

RS Stock No.:
588-249
Mfr. Part No.:
W 637/8-2Z
Brand:
SKF
Find similar products by selecting one or more attributes.
Select all

Brand

SKF

Inside Diameter

8mm

Product Type

Deep Groove Ball Bearing

Outside Diameter

12mm

Race Width

3.5mm

Ball Material

Stainless Steel

Cage Material

Stainless Steel

Race Material

Stainless Steel

End Type

Shielded

Number of Rows

1

Static Load Rating

0.14kN

Internal Clearance

CN

Dynamic Load Rating

0.312kN

Bore Type

Deep Groove

Series

637

Standards/Approvals

ISO P0 / ABEC 1

Limiting Speed

53000rpm

Race Type

Deep Grooved

Bearing Type

Radial

COO (Country of Origin):
JP

SKF 637 Series Deep Groove Ball Bearing, 8mm Inside Diameter, 12mm Outside Diameter - W 637/8-2Z


This deep groove ball bearing serves as a Compact radial bearing for rotating assemblies, providing supported shaft movement in confined installations. It is constructed from stainless steel components and incorporates contact shields to limit contamination, making it appropriate for small-scale electromechanical systems and precision automation mechanisms.

Features and Benefits:


• Shielded design reduces ingress and extends maintenance intervals
• Stainless steel balls and races resist corrosion in damp conditions
• Stainless steel cage maintains internal stability at high speeds
• Suitable for rotational speeds up to 53,000 r/min for Rapid applications
• Dynamic load capacity of 0.312 kN prolongs service under continuous motion
• Static load rating of 0.14 kN maintains positional accuracy when stationary

Applications


• Suitable for miniature motors in automation equipment
• Ideal for precision fans and cooling systems in electronics
• Used with rotary encoders requiring compact, smooth support
• Can be used for small gearboxes in robotics and pick-and-place units
• Used for spindle supports in micro-drilling and PCB handling

What internal clearance does it use and how does that affect fit?


It is supplied with CN internal clearance, offering a standard NEUTRAL gap suitable for typical assembly tolerances and moderate thermal expansion.

Which materials contact each other within the bearing construction?


The rolling elements, races and cage are stainless steel, providing consistent contact properties and reduced risk of galvanic reactions in many environments.

How does the sealing form influence service conditions?


The fitted 2Z shields restrict particle ingress while permitting limited lubricant retention, balancing protection and low friction for high-speed operation.

What precision grade does it conform to and what does that imply?


It meets ISO P0 / ABEC1 precision, indicating standard dimensional and running accuracy appropriate for general-purpose miniature applications.

Related links

Be the first to know about our latest products and offers

Email address

The personal information you provide to us when signing up to this mailing list will be processed in line with the Privacy Policy