Self-Aligning-Ball-Bearings-Cylindrical-Bore – 1221C3

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NTNOpen

ITEM NUMBER

1221C3

Self Aligning Ball Bearings - Cylindrical Bore

d105,000 mmBore

D190,000 mmOutside diameter

B36,000 mmWidth

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TECHNICAL DATA

Specifications for 1221C3

Units

Technical Specifications

Type: Self Aligning Ball Bearing
Bore Type: Cylindrical
Material: High Carbon Chrome Steel
Cage Type: Pressed
Cage Material: Steel
Ball Material: Steel
Limiting Speed - Oil: 3600 RPM
Limiting Speed - Grease: 3000.0 RPM
Y1: 3.60
Y2: 5.50
Y0: 3.70
Precision: Class 0
Configuration: One
Radial Internal Clearance: C3
Static Load Rating: 32500 N
Dynamic Load Rating: 75000 N
Enclosure: Open
Operating Temperature Range: -40 to 120 ºC

Dimensional Specifications

d: 105.000 mm
D: 190.000 mm
B: 36.000 mm
r: 2.100 mm
da min: 116.000 mm
Da max: 179.000 mm
ras max: 2.000 mm

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