NTN Bearing Corp. of America - Needle Roller and Cage Assemblies - Compare Items

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Items	8E-K10X14X16.8X1 Needle Roller and Cage Assembly	8E-K12X16X17.8X1 Needle Roller and Cage Assembly	8E-K26X31X23.8X1ZW Double Row Needle Roller and Cage Assembly	8E-K38X43X17 Needle Roller and Cage Assembly	8E-K47X52X15.3X2 Needle Roller and Cage Assembly
Type	N/A Needle and Cage
Material	N/A High Carbon Chrome Steel
Cage Material	N/A Steel
Limiting Speed - Oil	N/A 28000 RPM	N/A 26000 RPM	N/A 15000 RPM	N/A 11000 RPM	N/A 8500 RPM
Limiting Speed - Grease	N/A 19000 RPM	N/A 17000 RPM	N/A 10000 RPM	N/A 7500 RPM	N/A 5500 RPM
Fw	N/A 0.3937 in10.000 mm	N/A 0.4724 in12.000 mm	N/A 1.0236 in26.000 mm	N/A 1.4961 in38.000 mm	N/A 1.8504 in47.000 mm
Ew	N/A 0.5512 in14.000 mm	N/A 0.6299 in16.000 mm	N/A 1.2205 in31.000 mm	N/A 1.6929 in43.000 mm	N/A 2.0472 in52.000 mm
Bc	N/A 0.6693 in17.000 mm	N/A 0.7087 in18.000 mm	N/A 0.9449 in24.000 mm	N/A 0.6693 in17.000 mm	N/A 0.6102 in15.500 mm
Bc Tolerance	N/A -0.2/-0.55
Lw	N/A
Enclosure	N/A Open
Precision	N/A ISO Class 0
Static Load Rating	N/A 1990 lbf8850 N	N/A 2680 lbf11900 N	N/A 8000 lbf35500 N	N/A 8650 lbf38500 N	N/A 8550 lbf38000 N
Dynamic Load Rating	N/A 1810 lbf8050 N	N/A 2200 lbf9800 N	N/A 4800 lbf21400 N	N/A 4700 lbf20900 N	N/A 4350 lbf19400 N
Weight	N/A 0.014 lb0.006 kg	N/A 0.015 lb0.007 kg	N/A 0.064 lb0.029 kg	N/A 0.060 lb0.027 kg	N/A 0.068 lb0.031 kg