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K42x50x20 Radial Needle Roller And Cage Assemblies

K42x50x20 Radial Needle Roller And Cage Assemblies

Min. Order:
1 Piece
Payment term:
TT ,PAYPAL ,Western Union
Delivery time:
according your quantity
Technical Parameters:
Product Designations:
K42x50x20
Structure:
Radial Needle Roller And Cage Assemblies
Inside Diameter:
42 mm
Outside Diameter:
50 mm
Thickness:
20 mm
Weight:
0.054 KG
Brand:
Neutral or OEM
Precision Rating:
P0 P6 P5 P4 P2
Bearing Material:
bearing steel Gcr15
K42x50x20 Radial Needle Roller And Cage Assemblies

 Item No:K42x50x20 Radial Needle Roller And Cage Assemblies

As for Model K, K...D radial needle and retainer assembly, this kind of bearing only has a group of radial needle and retainer assembly. With small outside diameter size, it is suitable for the parts, where the radial sizes are specially limited, used for bearing the radial load. Model K...ZW, K...ZWD radial needle and retainer assembly is the double row radial needle and retainer assembly.


As for this kind of bearing, since it has not collar, the surface of journal and the surface of hole at the housing are directly acted as rolling surface with surface hardness HRC 60 and surface roughness Ra no more than 0.63µm.


In order to satisfy the requirement of main machine, this kind of bearing can be made in split bearing, convenient for mounting. Model K...D represents as the single row split bearing and Model K...ZWD represents as double row split bearing.

 

(1-1) K single-row radial needle roller and cage assembly

(1-2) K...ZW double-row radial needle roller and cage assembly

(1-3) K... D partial single-row radial needle roller and cage assembly

(1-4) K...ZWD double-row radial needle roller and cage assembly

 

Shaft 
Diameter
Bearing Designation Mass 
Approx
Boundary Dimensions Basic Load Rating Limiting Speed
Current Code Original Code Fw D C Dynamic Static Oil
mm g mm N rpm
38 K38X43X17 49241/38 26.9 38 43 17 20000 38000 10000
K38X43X27 49241/38 43.2 38 43 27 31000 67500 10000
K38X46X20 19244/38 46 38 46 20 35000 56500 10000
K38X46X32   72.7 38 46 32 54500 98500 10000
39 K39X44X24   38 39 44 24 28000 58500 10000
K39X44X26 ZW   29.5 39 44 26 27000 55500 10000
40 K40x44x13   20 40 44 13 13500 28000 10000
K40x45x13 29241/40 21.5 40 45 13 17100 32000 10000
K40x45x17 49241/40 27.4 40 45 17 20900 41000 10000
K40x45x21   36.5 40 45 21 24400 49500 10000
K40x45x27 19241/40 46 40 45 27 32500 72500 10000
K40x46x17 39242/40 30 40 46 17 24500 44500 9000
K40x47x18   45.2 40 47 18 29000 49500 9000
K40x47x20 29243/40 42 40 47 20 32000 56500 9000
K40x48x20 19244/40 57.7 40 48 20 35500 58500 9000
K40x45x30 ZW   48 40 45 30 26000 53500 9000
42 K42x47x13 29241/42 22.5 42 47 13 17300 33000 9000
K42x47x17 49241/42 31.1 42 47 17 21100 42500 9000
K42x47x25 TN   25.4 42 47 25 27000 57500 9000
K42x47x27 79241/42 46.6 42 47 27 33000 74500 9000
K42x48x35 79242/42 60 42 48 35 35000 76000 9000
K42x50x18   53 42 50 18 31000 49500 9000
K42x50x20 19244/42 54 42 50 20 34500 56500 9000
K42x47x30 ZW   54 42 47 30 31000 75500 9000
43 K43x48x17   29.3 43 48 17 21000 42500 9000
K43x48x27   45.7 43 48 27 33000 74500 9000
K43x50x18 9249/43 48.5 43 50 18 30500 53500 8000
45 K45x49x19   27 45 49 19 17500 40000 8000
K45x50x17 49241/45 25.5 45 50 17 22000 45000 8000
K45x50x27 19241/45 50 45 50 27 34000 79500 8000
K45x50x32 TN   45 45 50 32 38000 90500 8000
K45x52x18   51 45 52 18 31000 56500 8000
K45x52x21 TN   32.9 45 52 21 39500 57500 8000
K45x53x20 19244/45 62.2 45 53 20 38500 66500 8000
K45x53x21   65 45 53 21 38000 66500 8000
K45x53x22   68.4 45 53 22 42000 66500 8000
K45x53x28   78 45 53 28 51500 97500 8000
K45x59x18 TN   60.5 45 59 18 43500 53500 7000
K45x59x32   145.5 45 59 32 72500 101500 7000
K45x59x36   195 45 59 36 75500 108500 7000
K45x51x36 ZW   85 45 51 36 44500 98500 7000
47 K47x52x17   32 47 52 17 22800 48500 8000
K47x52x27   50.7 47 52 27 34500 82500 8000
K47x53x25   53 47 53 25 38000 81500 8000
K47x55x28   62.4 47 55 28 52500 99500 7500
48? K48x54x19 39242/48 44 48 54 19 30000 60500 7500
K48x54x25 59242/48 55 48 54 25 31000 91000 7500
50 K50x55x13.5   31 50 55 13.5 17500 36000 7500
K50x55x17 49241/50 35 50 55 17 21400 46500 7500
K50x55x20 59241/50 39.4 50 55 20 26000 59500 7500
K50x55x30 9243/50 59.4 50 55 30 38500 96500 7500
K50x57x18   53.4 50 57 18 33000 62500 7000
K50x58x20 19244/50 64.9 50 58 20 35000 61500 7000
K50x58x25 29244/50 81 50 58 25 43500 80500 7000
52 K52x57x12   24 52 57 12 17500 36000 7000
55 K55x60x20   43.4 55 60 20 28000 65500 6500
K55x60x27   60.5 55 60 27 37500 96500 6500
K55x60x30   68.6 55 60 30 40500 10300 6500
K55x61x20   56 55 61 20 41000 11000 6500
K55x62x18   58.4 55 62 18 35000 69500 6500
K55x63x15   53 55 63 15 245000 40500 6500
K55x63x20 19243/55 73.3 55 63 20 39500 73500 6500
K55x63x25 29243/55 88 55 63 25 49500 99500 6500
K55x63x32   117 55 63 32 61500 129500 6500
K55x60x40ZW   96.5 55 60 40 48000 132000 6500
56 K56x61x20   45 56 61 20 27000 64500 6500
58 K58x63x17   42 58 63 17 21500 63500 6000
K58x64x19   53 58 64 19 24500 77500 6000
K58x65x18   52 58 65 18 34500 69500 6000
K58x65x38ZW   106 58 65 38 48500 106500 6000
60 K60x65x20 49241/60 50.5 60 65 20 29000 71500 6000
K60x65x30 69241/60 71.2 60 65 30 42000 115500 6000
K60x68x20 19243/60 79 60 68 20 43000 84500 5500
K60x68x23   94 60 68 23 49000 100500 5500
K60x68x25 29243/60 97 60 68 25 52500 110500 5500
K60x68x27   98 60 68 27 59000 120500 6000
K60x75x42   240 60 75 42 11300 19200 5500
K60x66x33ZW   104 60 66 33 45500 111500 6000
K60x66x40ZW   116 60 66 40 57500 150500 5500
K60x68x30ZW   136 60 68 30 44000 87500 5500
K60x68x34ZW   140 60 68 34 47500 95500 5500
62 K62x70x40ZW   147.5 62 70 40 65500 145500 5500
63 K63x70x21   75 63 70 21 45000 100500 5500
64 K47x70x16   53 64 70 16 27500 59500 5500
65 K65x70x20 49241/65 49 65 70 20 30000 76500 5500
K65x70x30   83 65 70 30 43500 93500 5500
K65x73x23   100 65 73 23 45500 93500 5000
K65x73x30 39243/65 126 65 73 30 56500 122500 5000
68 K68x74x20 49241/68 65 68 74 20 35000 83500 5000
K68x74x30 69241/68 97 68 74 30 46000 117500 5000
K68x74x35 ZW 79241/68 116 68 74 35 48000 124500 5000
K68x75x20   120 68 75 32 53500 127500 4500
70 K70x76x20 49241/70 70 70 76 20 35500 85500 4500
K70x76x30 69241/70 100 70 76 30 51500 138500 4500
K70x78x25 29243/70 115 70 78 25 51500 111500 4500
K70x78x30 39243/70 136 70 78 30 59500 134500 4500
K70x80x30 29244/70 150 70 80 30 72500 147500 4500
K70x78x46 ZW   230 70 78 46 77500 18800 4500
72 K72x80x20 19243/72 94 72 80 20 41000 84500 4500
73 K73x79x20   69 73 79 20 36500 99500 4500
75 K75x81x20 49241/75 72 75 81 20 37000 93500 4500
K75x81x30 69241/75 106 75 81 30 51500 142000 4500
K75x83x23   113 75 83 23 49500 108000 4000
K75x83x30 39243/75 147 75 83 30 91500 142000 4000
K75x83x35 ZW 49243/75 165 75 83 35 62500 146500 4000
K75x83x40 ZW 59243/75 190 75 83 40 72500 176500 4000
80 K80x86x20 49241/80 76 80 86 20 38000 97500 4000
K80x86x30 69241/80 114 80 86 30 55500 158500 4000
K80x88x30 39243/80 141 80 88 30 71500 178500 4000
K80x88x40 ZW 59243/80 204 80 88 40 75500 191500 4000
K80x88x46 ZW 69243/80 235 80 88 46 87500 23000 4000
85 K85x92x20 29241/85 96 85 92 20 44000 107500 3500

 


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