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

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Technical Specifications

Type	N/A Inner Ring w/ Rollers
Bore Type	N/A Round
Material	N/A Hardened Alloy Steel
Cage Material	N/A None
Configuration	N/A One
Tolerance	N/A ISO Class 0 (RBEC 1)
Oil Hole	N/A w/o Oil Hole
Static Load Rating	N/A 89000 lbf395000 N395.00 kN
Dynamic Load Rating	N/A 47000 lbf209000 N209.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image Inner Ring w/ Two Ribs and Rollers - Dimensions
B	N/A 4.1339 in105.000 mm
C	N/A 6.6358 in168.550 mm
W	N/A 1.4173 in36.000 mm
F	N/A 5.3098 in134.870 mm
R	N/A 0.1559 in3.960 mm