Item # NJ221, Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs On NTN Bearing Corp. of America

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	Item # NJ221, Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs

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		Cylindrical Roller Bearing

Bore Type		Round

Material		Hardened Alloy Steel

Cage Material		Pressed Steel

Limiting Speed - Oil		4300 RPM

Limiting Speed - Grease		3600.0 RPM

Configuration		One

Tolerance		ISO Class 0 (RBEC 1)

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		54000 lbf 241000 N 241.00 kN

Dynamic Load Rating		45000 lbf 201000 N 201.00 kN

Enclosure		Open

Weight		8.708 lb 3.950 kg

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

Dimensional Specifications

		Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs - NJ Type - Dimensions larger image

d		3.7402 in 95.000 mm

D		7.4803 in 190.000 mm

B		1.4173 in 36.000 mm

Fw		4.9921 in 126.800 mm

J		5.3150 in 135.000 mm

r		0.0827 in 2.100 mm

da min		4.5669 in 116.000 mm

db min		4.5669 in 116.000 mm

Da max		7.0472 in 179.000 mm

Db max		7.0472 in 179.000 mm

Db min		6.8110 in 173.000 mm

r1as max		0.0787 in 2.000 mm

Item # NJ221, Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs