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Needle Roller Bearings> K Series


Boundary Dimensions
Designation
Basic Load Rating
Limiting Speed
Weight
Fw
Ew
Bc
Bearings
¶¯Cr
¾²Cor
Oil
Approx
mm
¡¡
N
rpm
g
45
49
19
K45X49X19
17500
40000
8000
27
50
17
K45X50X17
22000
45000
8000
25.5
50
27
K45X50X27
34000
79500
8000
50
50
32
K45X50X32 TN
38000
90500
8000
45
52
18
K45X52X18
31000
56500
8000
51
52
21
K45X52X21 TN
39500
57500
8000
32.9
53
20
K45X53X20
38500
66500
8000
62.2
53
21
K45X53X21
38000
66500
8000
65
53
22
K45X53X22
42000
66500
8000
68.4
53
28
K45X53X28
51500
97500
8000
78
59
18
K45X59X18 TN
43500
53500
7000
60.5
59
32
K45X59X32
72500
101500
7000
145.5
59
36
K45X59X36
75500
108500
7000
195
47
52
17
K47X52X17
22800
48500
8000
32
52
27
K47X52X27
34500
82500
8000
50.7
53
25
K47X53X25
38000
81500
8000
53
55
28
K47X55X28
52500
99500
7500
62.4
48
54
19
K48X54X19
30000
60500
7500
44
54
25
K48X54X25
31000
91000
7500
55
50
55
13.5
K50X55X13.5
17500
36000
7500
31
55
17
K50X55X17
21400
46500
7500
35
55
20
K50X55X20
26000
59500
7500
39.4
55
30
K50X55X30
38500
96500
7500
59.4
57
18
K50X57X18
33000
62500
7000
53.4
58
20
K50X58X20
35000
61500
7000
64.9
58
25
K50X58X25
43500
80500
7000
81
52
57
12
K52X57X12
17500
36000
7000
24
55
60
20
K55X60X20
28000
65500
6500
43.4
60
27
K55X60X27
37500
96500
6500
60.5
60
30
K55X60X30
40500
10300
6500
68.6
61
20
K55X61X20
41000
11000
6500
56
62
18
K55X62X18
35000
69500
6500
5.4
63
15
K55X63X15
24500
40500
6500
53
63
20
K55X63X20
39500
73500
6500
73.3
63
25
K55X63X25
49500
99500
6500
88
63
32
K55X63X32
61500
129500
6500
117
56
61
20
K56X61X20
27000
64500
6500
45
58
63
17
K58X63X17
21500
63500
6000
42
64
19
K58X64X19
24500
77500
6000
53
65
18
K58X65X18
34500
69500
6000
52

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