Item # 1220, Self Aligning Ball Bearings - Cylindrical Bore On NTN Bearing Corp. of America

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	Item # 1220, Self Aligning Ball Bearings - Cylindrical Bore

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only)

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		3800 RPM

Limiting Speed - Grease		3200.0 RPM

Y1		3.60

Y2		5.60

Y0		3.80

Seal Type		None

Seal Material		None

Precision		Class 0

Configuration		One

Radial Internal Clearance		CN

Static Load Rating		6700 lbf 29700 N 29.70 kN

Dynamic Load Rating		15600 lbf 69500 N 69.50 kN

Enclosure		Open

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Self Aligning Ball Bearings - Cylindrical Bore - Dimensions larger image

d		3.9370 in 100.000 mm

D		7.0866 in 180.000 mm

B		1.3386 in 34.000 mm

r		0.0827 in 2.100 mm

da min		4.3701 in 111.000 mm

Da max		6.6535 in 169.000 mm

ras max		0.0787 in 2.000 mm

Item # 1220, Self Aligning Ball Bearings - Cylindrical Bore