Item # 1312K, Self Aligning Ball Bearings w/ Tapered Bore On NTN Bearing Corp. of America

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	Item # 1312K, Self Aligning Ball Bearings w/ Tapered 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		Tapered

Material		High Carbon Chrome Steel

Cage Type		Pressed

Cage Material		Steel

Ball Material		Steel

Limiting Speed - Oil		5600 RPM

Limiting Speed - Grease		4500 RPM

Y1		2.80

Y2		4.30

Y0		2.90

Seal Type		None

Seal Material		None

Precision		Class 0

Configuration		One

Radial Internal Clearance		CN

Static Load Rating		4700 lbf 20800 N 20.80 kN

Dynamic Load Rating		12900 lbf 57500 N 57.50 kN

Enclosure		Open

Weight		4.262 lb 1.933 kg

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

Dimensional Specifications

		Self Aligning Ball Bearings w/ Tapered Bore - Dimensions larger image

d		2.3622 in 60.000 mm

D		5.1181 in 130.000 mm

B		1.2205 in 31.000 mm

r		0.0827 in 2.100 mm

da min		2.7953 in 71.000 mm

Da max		4.6850 in 119.000 mm

ras max		0.0787 in 2.000 mm

Item # 1312K, Self Aligning Ball Bearings w/ Tapered Bore