(dimensions in inches)

Bearing Type - Open

Bore Dia (d) - 0.0781

Outer Dia (D) - 0.2500

Width (B) - 0.0937

Radius (min) (rs) - 0.004

Dynamic Load Rating (Cr) - 54

Static Load Rating (Cor) - 17

Max Speed (Grease) (X1000 RPM) - 67

Max Speed (Oil) (X1000 RPM) - 80

Max. Shaft Shoulder Dia. Inner (Li) - 0.2

Min. Housing Shoulder Dia., Outer (Lo) - 0.2

Ball Qty - 7

Ball Dia (Dw) - 0.0394

Weight (g) - 0.40

Precision - A1

Standard Clearance - K25

Material - Martensitic Stainless Steel

Also available in 52100 Chrome Steel

ABEC Grades 1, 3, 5, 7, and 9 are available.

• Model Number:SR1-4
• Inner Diameter：1,98374mm Outer Diameter：6,35mm Width：2,38mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-09
• Application:floor industry,squeeze machine etc,powder metallurgy,Machine tool accessories,gas turbine,Tool,Polymer,shaft milling machine,sterilizers,bio-chemical,inorganic chemical
• Similar models:SNR UC308 KOYO 6308-2RS SKF D/WR155 CYSD R12-ZZ ZEN S6206 Timken 309WD KBC 6001 NKE 6310-2Z-N ISO 61804 CYSD RLS12
• BEARING POWER International Trading Co.,Ltd. specialize in SR1-4 products，there is large inventory of AST SR1-4 . We has been built up long-term cooperation with AST company, could make a bulk order of the SR1-4 Which AST SR1-4 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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