Item # 21311K, Spherical Roller Bearing w/ Tapered Bore On NTN Bearing Corp. of America

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	Item # 21311K, Spherical Roller Bearing w/ Tapered Bore

Spherical Roller Bearings w/ Tapered Bore

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Spherical Roller Bearings w/ Tapered Bore - Dimensions

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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		Spherical Roller Bearing

Bore Type		Tapered

Material		Through Hardened Steel

Cage Type		Machined

Cage Material		Steel

Limiting Speed - Oil		3300 RPM

Limiting Speed - Grease		2300.0 RPM

e		0.25

Y1		2.69

Y2		4.01

Y0		2.63

Series		213

Radial Internal Clearance		CN

Ring Modification		Plain

Tolerance		JIS-0 RBEC-1

Taper		1:12

Static Load Rating		36500 lbf 163000 N 163.00 kN

Dynamic Load Rating		32500 lbf 145000 N 145.00 kN

Enclosure		Open

Weight		3.726 lb 1.690 kg

Dimensional Specifications

		Spherical Roller Bearings w/ Tapered Bore - Dimensions larger image

d		2.1654 in 55.000 mm

D		4.7244 in 120.000 mm

B		1.1417 in 29.000 mm

r		0.0787 in 2.000 mm

da min		2.5591 in 65.000 mm

Da max		4.3307 in 110.000 mm

ras max		0.0787 in 2.000 mm

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	· Spherical Roller Bearings w/ Tapered Bore - Dimensions

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