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HC300 Series L3 & SL type seal insert bearings

L3 & SL type seal insert bearings

Insert bearings and wide inner ring bearings are used for mounting on shafts without the need for shoulders or adapters. The bearing is locked in place through setscrews or a locking collar. UC Style Insert Bearings have an inner ring that extends on both sides of the bearing and SB Style Insert Bearings extend on one side. 

Both designs however are intended to provide extra shaft support. Sometimes insert bearings are simply standard radial bearings that fit into a housing and these bearings may be purchased as stand-alone products to use as replacements. While standard radial ball bearings must be pressed into a machined shaft, using special installation tools, insert bearings can be slip fit directly onto the shaft.


Price: US $2.5-255 / Piece | 200 Piece/Pieces (Min. Order)

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Unit No. Dimensions mm in. Dynamic load ratings N Static load ratings N Weight(kg)
d D B1 B C S ds G B5 d3 F
HC305 25 62 46.8 34.9 20 16.7 M8x1 6 15.9 42.8 5.4 22400 11500 0.43
HC305-13 13/16 2.44 1.84 2 3740 0.79 0.66 5/16-21UNF 0.24 0.63 1.5 0.21 22400 11500 0.49
HC305-14 0.88 2.44 1.84 1 3740 0.79 0.66 5/16-22UNF 0.24 0.63 1.5 0.21 22400 11500 0.48
HC305-15 15/16 2.44 1.84 0 3740 0.79 0.66 5/16-23UNF 0.24 0.63 1.5 0.21 22400 11500 0.46
HC305-16 1 2.44 1.84 1 3740 0.79 0.66 5/16-24UNF 0.24 0.63 1.5 0.21 22400 11500 0.44
HC306 30 72 50 36.5 23 17.5 M8x1 7 17.5 50 5.7 26700 15000 0.69
HC306-17 1-1/16 2.83 1.97 1.44 0.91 0.69 5/16-24UNF 0.28 0.69 1.75 0.22 26700 15000 0.71
HC306-18 1-1/8 2.83 1.97 1.44 0.91 0.69 5/16-24UNF 0.28 0.69 1.75 0.22 26700 15000 0.68
HC306-19 36966 2.83 1.97 1.44 0.91 0.69 5/16-24UNF 0.28 0.69 1.75 0.22 26700 15000 0.66
HC307 35 80 51.6 38.1 25 18.3 M8x1 7 17.5 55 6.2 33500 19100 0.8
HC307-20 1-1/4 3.15 2.03 1.5 0.98 0.72 5/16-24UNF 0.28 0.69 2.19 0.24 33500 19100 0.87
HC307-21 1-5/16 3.15 2.03 1.5 0.98 0.72 5/16-25UNF 0.28 0.69 2.19 0.24 33500 19100 0.83
HC307-22 1-3/8 3.15 2.03 1.5 0.98 0.72 5/16-26UNF 0.28 0.69 2.19 0.24 33500 19100 0.8
HC307-23 1-7/16 3.15 2.03 1.5 0.98 0.72 5/16-27UNF 0.28 0.69 2.19 0.24 33500 19100 0.77
HC308 40 90 57.1 41.3 27 19.8 M10x1 8 20.6 63.5 7 40500 24000 1.08
HC308-24 1-1/2 3.54 2.25 1.63 1.06 0.78 3/8-24UNF 0.32 0.81 2.37 0.28 40500 24000 1.17
HC308-25 1-9/16 3.54 2.25 1.63 1.06 0.78 3/8-24UNF 0.32 0.81 2.37 0.28 40500 24000 1.13
HC309 45 100 58.7 42.9 30 19.8 M10x1 8 20.6 70 7.8 52800 31800 1.46
HC309-26 1-5/8 3.94 2.31 1.69 1.18 0.78 3/8-25UNF 0.32 0.81 2.5 0.31 52800 31800 1.54
HC309-27 1-1116 3.94 2.31 1.69 1.18 0.78 3/8-25UNF 0.32 0.81 2.5 0.31 52800 31800 1.49

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