Item # 1218KC3, Self Aligning Ball Bearings w/ Tapered Bore On NTN Bearing Corp. of America

Unit of Measure

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N/A

Type	N/A Self Aligning Ball Bearing
Bore Type	N/A Tapered
Material	N/A High Carbon Chrome Steel
Cage Type	N/A Pressed
Cage Material	N/A Steel
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 4300 RPM
Limiting Speed - Grease	N/A 3600 RPM
Y1	N/A 3.80
Y2	N/A 5.80
Y0	N/A 3.90
Seal Type	N/A None
Seal Material	N/A None
Precision	N/A Class 0
Configuration	N/A One
Radial Internal Clearance	N/A C3
Static Load Rating	N/A 5300 lbf23500 N23.50 kN
Dynamic Load Rating	N/A 12900 lbf57500 N57.50 kN
Enclosure	N/A Open
Weight	N/A 5.459 lb2.476 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Self Aligning Ball Bearings w/ Tapered Bore - Dimensions
d	N/A 3.5433 in90.000 mm
D	N/A 6.2992 in160.000 mm
B	N/A 1.1811 in30.000 mm
r	N/A 0.0787 in2.000 mm
da min	N/A 3.8976 in99.000 mm
Da max	N/A 5.9449 in151.000 mm
ras max	N/A 0.0787 in2.000 mm

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