Item # MU1221M, Inner Ring w/ Two Ribs and Rollers On NTN Bearing Corp. of America

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	All Categories Inner Ring with Cage and Rollers


	Item # MU1221M, Inner Ring w/ Two Ribs and Rollers

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		Inner Ring w/ Rollers

Bore Type		Round

Material		Hardened Alloy Steel

Cage Material		None

Configuration		One

Tolerance		ISO Class 0 (RBEC 1)

Oil Hole		w/o Oil Hole

Static Load Rating		89000 lbf 395000 N 395.00 kN

Dynamic Load Rating		47000 lbf 209000 N 209.00 kN

Enclosure		Open

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

Dimensional Specifications

		Inner Ring w/ Two Ribs and Rollers - Dimensions larger image

B		4.1339 in 105.000 mm

C		6.6358 in 168.550 mm

W		1.4173 in 36.000 mm

F		5.3098 in 134.870 mm

R		0.1559 in 3.960 mm

Item # MU1221M, Inner Ring w/ Two Ribs and Rollers