Page 74 - needle bearings

Needle roller and cage assemblies
NTN

Type K
Type KʝʝZW
BC BC
Type KMJ
Type KJʝʝS

ПEW ПFW ПEW ПFW

Type K Type KŋŋZW

FW 38ʙ48mm

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.)
46 20 34 000 52 000 3 450 5 350 7 500 11 000 KMJ38ʷ46ʷ20 0.046
38 ʵ0.2
46 32 ʵ0.55 54 000 95 500 5 500 9 700 7 500 11 000 K38ʷ46ʷ32 0.073
45 13 16 500 29 200 1 680 2 980 6 500 10 000 K40ʷ45ʷ13 0.022
45 17 21 800 41 500 2 220 4 250 6 500 10 000 K40ʷ45ʷ17 0.027
45 21 26 700 54 000 2 720 5 500 6 500 10 000 K40ʷ45ʷ21 0.037
45 27 33 500 72 500 3 400 7 400 6 500 10 000 K40ʷ45ʷ27 0.044
ʵ0.2
40 46 17 ʵ0.55 24 600 43 000 2 500 4 350 6 500 10 000 K40ʷ46ʷ17 0.030
47 18 27 700 45 000 2 820 4 550 6 500 10 000 K40ʷ47ʷ18 0.045
47 20 31 000 51 500 3 150 5 250 6 500 10 000 K40ʷ47ʷ20 0.048
48 20 33 000 51 000 3 350 5 200 6 500 10 000 K40ʷ48ʷ20 0.052
48 25 42 500 71 000 4 350 7 250 6 500 10 000 K40ʷ48ʷ25 0.065

47 17 22 100 43 000 2 250 4 400 6 500 9 500 K42ʷ47ʷ17 0.028
47 27 ʵ0.2 34 000 75 500 3 450 7 700 6 500 9 500 K42ʷ47ʷ27 0.047
42 ʵ0.55
48 17 25 700 46 000 2 630 4 700 6 500 9 500 K42ʷ48ʷ17 0.036
50 20 34 000 53 500 3 450 5 500 6 500 9 500 K42ʷ50ʷ20 0.054
48 17 22 000 43 000 2 240 4 400 6 500 9 500 K43ʷ48ʷ17 0.029
ʵ0.2
43 48 27 ʵ0.55 34 000 75 500 3 450 7 700 6 500 9 500 K43ʷ48ʷ27 0.046
50 18 29 100 49 000 2 960 5 000 6 500 9 500 K43ʷ50ʷ18 0.049
49 19 22 100 52 000 2 260 5 300 6 000 9 000 K45ʷ49ʷ19 0.027
50 17 22 800 46 000 2 330 4 700 6 000 9 000 KJ45ʷ50ʷ17S 0.031
50 27 34 500 78 000 3 500 7 950 6 000 9 000 K45ʷ50ʷ27 0.050
52 18 ʵ0.2 29 700 51 000 3 000 5 200 6 000 9 000 K45ʷ52ʷ18 0.051
45 ʵ0.55
52 21 32 000 56 500 3 300 5 750 6 000 9 000 K45ʷ52ʷ21 0.061
53 20 36 000 59 000 3 650 6 000 6 000 9 000 K45ʷ53ʷ20 0.062
53 25 46 500 82 000 4 700 8 400 6 000 9 000 K45ʷ53ʷ25 0.077
53 28 49 500 90 000 5 050 9 200 6 000 9 000 KJ45ʷ53ʷ28S 0.078
52 17 ʵ0.2 23 200 47 500 2 360 4 850 5 500 8 500 K47ʷ52ʷ17 0.033
47 ʵ0.55
52 27 35 500 83 000 3 650 8 450 5 500 8 500 K47ʷ52ʷ27 0.051
ʵ0.2
48 53 37.5 41 500 101 000 4 200 10 300 5 500 8 500 K48ʷ53ʷ37.5ZW 0.072
ʵ0.55
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-12