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NA Series
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ONLINE CATALOGUE
Technical Info
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Clearance&Viberation|Noise&Grease
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Clearance&Tolerance Of Spherial Plain Bearing
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Ball Bearing
(9)
Deep Groove Ball Bearing
(9)
Minature Ball Bearing
(2)
Angular Contact Ball Bearings
(2)
Thrust Ball Bearing
(4)
Insert Bearings
(9)
Pillow Block Bearings
(5)
Self Aligning Ball Bearing
(4)
Track Roller Bearings
(5)
Steel Ball
(12)
Roller Bearing
(6)
Tapered Roller Bearing
(11)
Spherical Roller Bearing
(9)
Thrust Spherical Roller Bearing
(4)
Needle Roller Bearing
(8)
Cylindrical Roller Bearings
(7)
Conveyor Roller Bearing
(5)
Automatic Transmission Bearings
(3)
Shperical Plain Bearing
(12)
Ball Joint Rod Ends Bearing
(5)
Linear Ball Bearing
(5)
Automotive Bearing
(6)
Hub Unit Bearing
(132)
Tensioner&Idler Bearing
(76)
Wheel Bearing
(76)
Clutch Release Bearing
(14)
U-joint Bearing
(182)
Water Pump Bearing
(7)
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Bearing Designation
Shaft Diameter(mm)
Weight(Kg)
Boundary Dimensions(mm)
Basic Load Rating(N)
Limiting Speed(rpm)
Current Code
Original Code
d
Fw
D
C
B
Dynamic
Static
Oil
NA4911
4544911
30
386
55
63
80
25
50600
96580
7500
NA5911
30
55
63
80
34
NA6911
6534911
30
790
55
63
80
45
82560
172000
7500
NA4912
4544912
30
412
60
68
85
25
52800
110500
6500
NA5912
30
614
60
68
85
34
NA6912
6534612
30
798
60
68
85
45
88500
186000
6500
NA4907RS
NA4907-2RS
35
175
35
42
55
20
21
22500
37000
4800
NA4908RS
NA4908-2RS
40
252
40
48
62
22
23
33050
50900
4200
NA6908-2RS
RNA6908-2RS
40
40
48
62
40
41
NA4909RS
NA4909-2RS
45
290
45
52
68
22
23
34800
56800
3900
NA4910RS
NA4910-2RS
50
295
50
58
72
22
23
37800
61500
3500
NA4911RS
NA4911-2RS
55
392
55
63
80
24
25
NA4912RS
NA4912-2RS
60
426
60
68
85
25
26
NA4913
4544913
65
435
65
72
90
25
57500
110500
6500
NA6913
6534913
65
821
65
72
90
45
87600
194500
6500
NA4914RS
NA4914-2RS
70
728
70
80
100
31
32
84000
15600
3000
NA4914
4544914
70
712
70
80
100
30
79000
154000
5500
NA6914
6534914
70
1326
70
80
100
54
121000
263000
5500
NA4915
4544915
75
765
75
85
105
30
82000
158000
5500
NA5915
75
1130
75
85
105
40
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