(dimensions in mm)

Bearing Type - double row self-aligning

Bore Dia (d) - 17.0000

Outer Dia (D) - 40.0000

Width (B) - 12.0000

Radius (min) (rs) - 0.600

Dynamic Load Rating (Cr) - 8,000

Static Load Rating (Cor) - 2,010

Max Speed (Grease) (X1000 RPM) - 16,000

Max Speed (Oil) (X1000 RPM) - 20,000

Max. Shaft Shoulder Dia. Inner (Li) - 21.0

Min. Housing Shoulder Dia., Outer (Lo) - 36.0

Weight (g) - 72.00

Precision - A1

Standard Clearance - C0

Material - 52100 Chrome steel (or equivalent)

The maximum recommended angular misalignment is 4 degrees, the applied dynamic radial load must be less than 10% of the dynamic capacity.

This bearing is also available with a tapered bore.

• Model Number:1203
• Inner Diameter：17mm Outer Diameter：40mm Width：12mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-11
• Application:relay,Beauty and Body,Food testing,chemical instruments,Gear grinding machine,electromagnetic clutch,economic mold,Hydraulic Couplings,supporting facilities,electronic components,Rolling mill
• Similar models:FBJ 1203 ZEN S1203 AST 1203 KOYO 1203 ISO 1203 ZEN 1203-2RS NTN 1203S NACHI 1203 ZEN 1203 ZEN S1203-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 1203 products，there is large inventory of AST 1203 . We has been built up long-term cooperation with AST company, could make a bulk order of the 1203 Which AST 1203 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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  F15184	62	147	50	Fersa	Tapered Roller Bearings
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  NK17/20	17	25	20	AST	Needle Roller Bearings
  SF63800-2Z	10	19	7	ZEN	Deep Groove Ball Bearings
  UCFL307	35			CX	Bearing Units
  USP001S6	12		15	FYH	Bearing Units
  32260	300	540	140	SKF	TAPERED ROLLER BEARINGS
  SD-3152	240			Torrington	PILLOW BLOCKS