>> P.206
MACHINED TYPE NEEDLE ROLLER BEARINGSWith Seal, Without Inner Ring, Inch SeriesShaft dia. 15.875-50.800mmIdentification numberMass (Ref.)Boundary dimensionsmm(inch)With two sealsgFwDCStandard mounting dimensionsmm(1)ras maxDaMax. BR 101816 UU5415.875( 5 8)28.575(1 1 8)25.400(1 )24.5BR 122016 UU6819.050( 3 4)31.750(1 1 4)25.400(1 )26.5BR 142216 UU7622.225( 7╱ 8)34.925(1 3 8)25.400(1 )29.7BR 162416 UU8325.400(1 )38.100(1 1 2)25.400(1 )32.9BR 182620 UU11528.575(1 1╱ 8)41.275(1 5 8)31.750(1 1 4)36.0BR 202820 UU12431.750(1 1╱ 4)44.450(1 3 4)31.750(1 1 4)39.2BR 223020 UU13434.925(1 3 8)47.625(1 7 8)31.750(1 1 4)42.4BR 243320 UU16838.100(1 1╱ 2)52.388(2 1╱16)31.750(1 1 4)45.1BR 263520 UU17941.275(1 5╱ 8)55.562(2 3╱16)31.750(1 1 4)48.3BR 283720 UU19344.450(1 3╱ 4)58.738(2 5╱16)31.750(1 1 4)51.5BR 303920 UU20247.625(1 7╱ 8)61.912(2 716)31.750(1 1 4)54.7BR 324120 UU21650.800(2 )65.088(2 9╱16)31.750(1 1 4)57.80.61.01.01.01.01.01.01.51.51.51.51.5Shaft dia.mm(inch)15.875(5╱8)19.050(3╱4)22.225(7╱8)25.400(1)28.575(11╱8)31.750(11╱4)34.925(13╱8)38.100(11╱2)41.275(15╱8)44.450(13╱4)47.625(17╱8)50.800(2)Notes(1)Maximum permissible corner radius of the housing (2)Allowable rotational speed applies to grease lubrication.Remarks1.The outer ring has an oil groove and an oil hole.2. earings are provided with prepacked grease.3. f one side sealed type are needed, please contact IKO.D67
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