| BEARING INTERNAL CLEARANCE | 
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| Clearance for Insert Bearing | 
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 Tapered Bore Bearing (UK Series) | 
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 | unit:μm | 
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| Nominal bore diameter d mm | Radial internal clearance | 
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| C2 | Normal | C3 | C4 | 
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| over | Incl | min | max | min | max | min | max | min | max | 
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| 10 | 18 | 3 | 18 | 11 | 25 | 18 | 33 | 25 | 45 | 
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| 18 | 24 | 5 | 20 | 13 | 28 | 20 | 36 | 28 | 48 | 
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| 24 | 30 | 5 | 20 | 13 | 28 | 23 | 41 | 30 | 53 | 
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| 30 | 40 | 6 | 20 | 15 | 33 | 28 | 46 | 40 | 64 | 
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| 40 | 50 | 6 | 23 | 18 | 36 | 30 | 51 | 45 | 73 | 
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| 50 | 65 | 8 | 28 | 23 | 43 | 38 | 61 | 55 | 90 | 
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| 65 | 80 | 10 | 30 | 25 | 51 | 46 | 71 | 65 | 105 | 
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| 80 | 100 | 12 | 36 | 30 | 58 | 53 | 84 | 75 | 120 | 
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| 100 | 120 | 15 | 31 | 36 | 66 | 61 | 97 | 90 | 140 | 
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| 120 | 140 | 18 | 48 | 41 | 81 | 71 | 114 | 105 | 160 | 
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