>> P.210
MACHINED TYPE NEEDLE ROLLER BEARINGSWith Seal, With Inner Ring, Inch SeriesShaft dia. 9.525-44.450mmIdentification numberMass (Ref.)Boundary dimensionsmm(inch)Shaft dia.mm(inch)9.525(3╱8)12.700(1╱2)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)With two sealsgdDCBFwBRI 61816 UU 79 9.525( 3╱ 8)28.575(1 1╱ 8)25.400(1 )25.65015.875( 5 8)BRI 82016 UU 9912.700( 1 2)31.750(1 1╱ 4)25.400(1 )25.65019.050( 3 4)BRI 102216 UU113.515.875( 5 8)34.925(1 3╱ 8)25.400(1 )25.65022.225( 7 8)BRI 122416 UU12719.050( 3 4)38.100(1 1╱ 2)25.400(1 )25.65025.400(1 )BRI 142620 UU17722.225( 7 8)41.275(1 5╱ 8)31.750(1 1 4)32.00028.575(1 1╱ 8)BRI 162820 UU19625.400(1 )44.450(1 3╱ 4)31.750(1 1 4)32.00031.750(1 1╱ 4)BRI 183020 UU21128.575(1 1 ╱ 8)47.625(1 7╱ 8)31.750(1 1 4)32.00034.925(1 3╱ 8)BRI 203320 UU25431.750(1 1 4)52.388(2 116)31.750(1 1 4)32.00038.100(1 1╱ 2)BRI 223520 UU27534.925(1 3 8)55.562(2 316)31.750(1 1 4)32.00041.275(1 5╱ 8)BRI 243720 UUBRI 243920 UU29336238.100(1 1╱ 2)38.100(1 1╱ 2)58.738(2 5╱16)61.912(2 7╱16)31.750(1 1╱ 4)31.750(1 1╱ 4)32.00032.00044.450(1 3╱ 4)47.625(1 7╱ 8)BRI 264120 UU38641.275(1 5 8)65.088(2 916)31.750(1 1 4)32.00050.800(2 )BRI 284828 UU80444.450(1 3╱4)76.200(3 )44.450(1 3 4)44.70057.150(2 1╱ 4)Notes(1)Maximum permissible corner radius of the shaft or housing (2)Allowable rotational speed applies to grease lubrication.Remarks1.The inner ring and the outer ring each have an oil groove and an oil hole.2. earings are provided with prepacked grease.3.If one side sealed type are needed, please contact IKO.D71
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