Item # 1218, Self Aligning Ball Bearings - Cylindrical Bore On NTN Bearing Corp. of America

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	Item # 1218, 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		4300 RPM

Limiting Speed - Grease		3600.0 RPM

Y1		3.80

Y2		5.80

Y0		3.90

Seal Type		None

Seal Material		None

Precision		Class 0

Configuration		One

Radial Internal Clearance		CN

Static Load Rating		5300 lbf 23500 N 23.50 kN

Dynamic Load Rating		12900 lbf 57500 N 57.50 kN

Enclosure		Open

Weight		5.516 lb 2.502 kg

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

Dimensional Specifications

		Self Aligning Ball Bearings - Cylindrical Bore - Dimensions larger image

d		3.5433 in 90.000 mm

D		6.2992 in 160.000 mm

B		1.1811 in 30.000 mm

r		0.0787 in 2.000 mm

da min		3.8976 in 99.000 mm

Da max		5.9449 in 151.000 mm

ras max		0.0787 in 2.000 mm

Item # 1218, Self Aligning Ball Bearings - Cylindrical Bore