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NN30 Series Super Precision Cylindrical Roller Bearings
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Unit of Measure
Imperial
Metric
Both
Bearing Dimensions
(d) Dimension (mm)
No Preference
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
120
130
140
150
160
170
180
190
200
220
240
260
280
300
320
340
360
380
400
420
440
460
480
500
(D) Dimension (mm)
No Preference
55
62
68
75
80
90
95
100
110
115
125
130
140
145
150
160
170
180
200
210
225
240
260
280
290
310
340
360
400
420
460
480
520
540
560
600
620
650
680
700
720
Load Ratings
(C) Dynamic Load (lb)
No Preference
6525
7987
10125
12150
12825
16200
16875
17212
22050
22500
27000
28125
31500
32175
32850
42750
49500
52200
65250
67500
75375
84375
101250
128250
131625
147375
180000
191250
238500
243000
285750
297000
366750
373500
382500
477000
486000
551250
585000
596250
607500
(Co) Static Load (lb)
No Preference
7650
9900
13162
16200
18000
22500
24750
26100
33750
35100
41850
45000
50400
53100
55125
69750
81000
87750
112500
117000
131625
150750
180000
225000
234000
270000
328500
351000
450000
468000
540000
585000
731250
753750
776250
1012500
1147500
1215000
1316250
Attainable Speed
(Grease) Lubrication Speed (rpm)
No Preference
1000
1100
1200
1300
1400
1600
1800
1900
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4300
4500
4800
5300
5600
6000
6300
6700
7000
8000
8500
9000
10000
11000
12000
14000
16000
(Oil) Lubrication Speed (rpm)
No Preference
1300
1400
1500
1600
1700
1900
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4300
4500
5000
5300
5600
6300
6700
7000
7500
8000
8500
9500
10000
11000
13000
14000
15000
17000
19000
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