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NNU Tapered bore
JTEKT Corporation(Koyo)
Cylindrical roller bearings
Double-row cylindrical roller bearings
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CAD模型選擇
{koyo/cylindrical_roller_bearings/double_row_crb/double_row_crb_nnuk_asmtab.prj},{NB=NNU4934K},{SERIES=CC},{T=50},{VERS=2.000},{SD=170},{D=230},{B=60},{R=2.0},{ORDER=NNU4934K},{NG=2300},{NO=2800},{SR=3.0},{DW=14},{PCD=202.0},{L=20},{ID=193.00},{OD=211.00},{IPOP=9.00},{ST=8-D},{NUM=35},{PPATH=double_row_crb_asmtpl.prj}
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LINA
明細表
SERIES
ⁿ/ₐ
SD
Inside Diameter
[mm]
D
Outside Diameter
[mm]
B
Bearing Width
[mm]
R
Radius
[mm]
ORDER
Bearing No.
ⁿ/ₐ
CR
Basic dynamic load rating
[kN]
COR
Basic static load rating
[kN]
CU
Fatigue limit load
[kN]
NG
Limiting speeds (Grease)
[rpm]
NO
Limiting speeds (Oil)
[rpm]
NNU4920K
CC
100
140
40
1.1
NNU4920K
173
258
32.9
4000
4800
NNU4921K
CC
105
145
40
1.1
NNU4921K
196
306
40.2
3900
4600
NNU4922K
CC
110
150
40
1.1
NNU4922K
204
326
42.4
3700
4500
NNU4924K
CC
120
165
45
1.1
NNU4924K
234
373
47.6
3400
4000
NNU4926K
CC
130
180
50
1.5
NNU4926K
269
428
50.2
3100
3700
NNU4928K
CC
140
190
50
1.5
NNU4928K
277
456
52.5
2900
3500
NNU4930K
CC
150
210
60
2.0
NNU4930K
430
692
80.7
2600
3100
NNU4932K
CC
160
220
60
2.0
NNU4932K
425
695
79.8
2500
3000
NNU4934K
CC
170
230
60
2.0
NNU4934K
451
763
86.4
2300
2800
NNU4936K
CC
180
250
69
2.0
NNU4936K
572
964
117
2100
2600
NNU4938K
CC
190
260
69
2.0
NNU4938K
581
996
119
2000
2400
NNU4940K
CC
200
280
80
2.1
NNU4940K
636
1050
125
1900
2300
NNU4944K
CC
220
300
80
2.1
NNU4944K
701
1220
145
1700
2000
NNU4948K
CC
240
320
80
2.1
NNU4948K
736
1340
155
1600
1900
NNU4952K
CC
260
360
100
2.1
NNU4952K
1180
2050
228
1400
1700
NNU4956K
CC
280
380
100
2.1
NNU4956K
1220
2200
239
1300
1500
NNU4960K
CC
300
420
118
3.0
NNU4960K
1470
2720
285
1100
1300
NNU4964K
CC
320
440
118
3.0
NNU4964K
1530
2750
286
1100
1300
NNU4968K
CC
340
460
118
3.0
NNU4968K
1580
2930
301
990
1200
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