(dimensions in mm)

Bearing Type - double row self-aligning

Bore Dia (d) - 105.0000

Outer Dia (D) - 190.0000

Width (B) - 36.0000

Radius (min) (rs) - 2.100

Dynamic Load Rating (Cr) - 75,000

Static Load Rating (Cor) - 32,500

Max Speed (Grease) (X1000 RPM) - 3,000

Max Speed (Oil) (X1000 RPM) - 3,600

Max. Shaft Shoulder Dia. Inner (Li) - 116.0

Min. Housing Shoulder Dia., Outer (Lo) - 179.0

Weight (g) - 4,520.00

Precision - A1

Standard Clearance - C0

Material - 52100 Chrome steel (or equivalent)

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

This bearing is also available with a tapered bore, add a suffix "K" after the four digit number.

• Model Number:1221
• Inner Diameter：105mm Outer Diameter：190mm Width：36mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-09
• Application:glass processing machine,orthodontic material,ventilation equipment,hanging clamp,Spectrum Products,electromagnetic clutch,Broadcasting System,metering pump,powder metallurgy,cleaners,sleep monitoring
• Similar models:ISO 1221K+H221 CX 1221 ISO 1221K NSK 1221 NKE 1221 NTN 1221S FAG 1221-M CX 1221K+H221 SIGMA 1221 NACHI 1221
• BEARING POWER International Trading Co.,Ltd. specialize in 1221 products，there is large inventory of AST 1221 . We has been built up long-term cooperation with AST company, could make a bulk order of the 1221 Which AST 1221 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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