NTN Bearing Corp. of America - Inner Ring for Cylindrical Roller Bearings - Compare Items

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Items	MA1017 Plain Inner Ring, No Rollers	MA1205 Plain Inner Ring, No Rollers	MA1206 Plain Inner Ring, No Rollers	MA1207 Plain Inner Ring, No Rollers	MA1208 Plain Inner Ring, No Rollers
Type	N/A Inner Ring
Bore Type	N/A Round
Material	N/A Hardened Alloy Steel
B	N/A 3.3465 in85.000 mm	N/A 0.9843 in25.000 mm	N/A 1.1811 in30.000 mm	N/A 1.3780 in35.000 mm	N/A 1.5748 in40.000 mm
A	N/A 3.7921 in96.320 mm	N/A 1.2661 in32.160 mm	N/A 1.4988 in38.070 mm	N/A 1.7311 in43.970 mm	N/A 1.9661 in49.940 mm
W	N/A 0.8661 in22.000 mm	N/A 0.5906 in15.000 mm	N/A 0.6299 in16.000 mm	N/A 0.6693 in17.000 mm	N/A 0.7087 in18.000 mm
F	N/A
R	N/A 0.0799 in2.030 mm	N/A 0.0402 in1.020 mm	N/A 0.0402 in1.020 mm	N/A 0.0402 in1.020 mm	N/A 0.0591 in1.502 mm
Precision Ground	N/A Yes
Tolerance	N/A ISO Class 0 (RBEC 1)
Weight	N/A 0.582 lb0.264 kg	N/A 0.079 lb0.036 kg	N/A 0.115 lb0.052 kg	N/A 0.157 lb0.071 kg	N/A 0.209 lb0.095 kg