K Series

K Series

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  • K Series
  • K Series

Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.

InquiryBearing Designation Shaft Diameter（mm）Weight(Kg)Boundary Dimensions(mm) Basic Load Rating(N) Limiting Speed(rpm)
Current CodeOriginal CodeFwDCDynamicStatic Oil
K35X40X27 TN 19241/35 35 23.4 35 40 27 24500 48000 11000
K35X40X25 29244/35 35 31 35 40 25 29000 59500 11000
K35X40X17 49241/35 35 25.3 35 40 17 20300 38000 11000
K35X40X13 29241/35 35 188 35 40 13 15800 27500 11000
K36X42X16 36 50 36 42 16 24000 42000 11000
K36X41X30 36 52 36 41 30 23000 43000 11000
K37X45X26 37 60.5 37 45 26 43500 73500 10000
K37X42X27 37 40.7 37 42 27 31500 67500 10000
K37X42X17 37 25.8 37 42 17 21900 42500 10000
K38X46X32 38 72.7 38 46 32 54500 98500 10000
K38X46X20 19244/38 38 46 38 46 20 35000 56500 10000
K38X43X27 49241/38 38 43.2 38 43 27 31000 67500 10000
K38X43X17 49241/38 38 26.9 38 43 17 20000 38000 10000
K39X44X26 ZW 39 29.5 39 44 26 27000 55500 10000
K39X44X24 39 38 39 44 24 28000 58500 10000
K40x45x30 ZW 40 48 40 45 30 26000 53500 9000
K40x48x20 19244/40 40 57.7 40 48 20 35500 58500 9000
K40x47x18 40 45.2 40 47 18 29000 49500 9000
K40x47x20 29243/40 40 42 40 47 20 32000 56500 9000
K40x46x17 39242/40 40 30 40 46 17 24500 44500 9000
K40x45x27 19241/40 40 46 40 45 27 32500 72500 10000
K40x45x21 40 36.5 40 45 21 24400 49500 10000
K40x45x17 49241/40 40 27.4 40 45 17 20900 41000 10000
K40x44x13 40 20 40 44 13 13500 28000 10000
K40x45x13 29241/40 40 21.5 40 45 13 17100 32000 10000
K42x47x30 ZW 42 54 42 47 30 31000 75500 9000
K42x50x20 19244/42 42 54 42 50 20 34500 56500 9000
K42x48x35 79242/42 42 60 42 48 35 35000 76000 9000
K42x50x18 42 53 42 50 18 31000 49500 9000
K42x47x27 79241/42 42 46.6 42 47 27 33000 74500 9000
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