Page 75 - needle bearings

Needle roller and cage assemblies
NTN

BC BC BC

П EW П FW П EW ПFW П EW П FW

Type KMJ Type KJŋŋS Type KVŋŋS

FW 48ʙ60mm

Boundary dimensions Basic load ratings Limiting speeds Bearing numbers Mass
dynamic static dynamic static
mm N kgf r/min kg
grease oil
Fw Ew Bc Cr Cor Cr Cor (approx.)
48 54 19 ʵ0.2 31 000 61 000 3 150 6 250 5 500 8 500 K48ʷ54ʷ19 0.044
ʵ0.55
55 13.5 18 100 35 500 1 850 3 600 5 500 8 000 K50ʷ55ʷ13.5 0.023
55 20 27 900 62 000 2 850 6 300 5 500 8 000 K50ʷ55ʷ20 0.042
55 27 37 000 88 500 3 750 9 000 5 500 8 000 K50ʷ55ʷ27 0.053
ʵ0.2
50 55 30 ʵ0.55 39 500 97 000 4 050 9 900 5 500 8 000 K50ʷ55ʷ30 0.059
57 18 31 500 57 000 3 200 5 800 5 500 8 000 K50ʷ57ʷ18 0.053
58 20 38 500 67 500 3 950 6 850 5 500 8 000 K50ʷ58ʷ20 0.065
58 25 48 500 90 000 4 950 9 150 5 500 8 000 K50ʷ58ʷ25 0.081
ʵ0.2
52 58 19 32 000 65 500 3 250 6 650 5 000 7 500 K52ʷ58ʷ19 0.048
ʵ0.55
60 17 25 800 58 000 2 630 5 900 5 000 7 500 K55ʷ60ʷ17 0.043
60 20 28 800 66 500 2 940 6 750 5 000 7 500 K55ʷ60ʷ20 0.045
60 30 42 000 108 000 4 300 11 000 5 000 7 500 KV55ʷ60ʷ30S 0.069
61 19 33 000 69 500 3 350 7 100 5 000 7 500 K55ʷ61ʷ19 0.051
61 20 ʵ0.2 33 000 69 500 3 350 7 100 5 000 7 500 K55ʷ61ʷ20 0.054
55 ʵ0.55
61 30 48 000 113 000 4 900 11 500 5 000 7 500 K55ʷ61ʷ30 0.081
62 18 33 500 63 000 3 400 6 450 5 000 7 500 K55ʷ62ʷ18 0.054
63 20 39 000 70 000 3 950 7 100 5 000 7 500 K55ʷ63ʷ20 0.073
63 25 50 500 97 500 5 150 9 950 5 000 7 500 K55ʷ63ʷ25 0.088
63 32 61 000 125 000 6 200 12 700 5 000 7 500 K55ʷ63ʷ32 0.117
ʵ0.2
58 64 19 ʵ0.55 34 000 73 500 3 450 7 500 4 700 7 000 K58ʷ64ʷ19 0.052
65 20 29 800 71 500 3 050 7 300 4 300 6 500 K60ʷ65ʷ20 0.051
65 30 43 500 116 000 4 450 11 800 4 300 6 500 K60ʷ65ʷ30 0.071
66 19 33 500 73 500 3 450 7 500 4 300 6 500 K60ʷ66ʷ19 0.053
66 20 33 500 73 500 3 450 7 500 4 300 6 500 K60ʷ66ʷ20 0.056
66 30 ʵ0.2 49 000 119 000 5 000 12 200 4 300 6 500 K60ʷ66ʷ30 0.084
60 ʵ0.55
68 15 27 200 45 500 2 780 4 650 4 300 6 500 K60ʷ68ʷ15 0.058
68 20 40 000 75 000 4 100 7 650 4 300 6 500 K60ʷ68ʷ20 0.077
68 23 44 500 85 000 4 500 8 700 4 300 6 500 K60ʷ68ʷ23 0.092
68 25 52 000 105 000 5 300 10 700 4 300 6 500 K60ʷ68ʷ25 0.097
68 27 52 000 105 000 5 300 10 700 4 300 6 500 K60ʷ68ʷ27 0.098
Remarks: Even when an order is placed with reference to “Nominal bearing number” listed in this table, the ordered bearings are subject to being delivered with
different cage type.
B-13