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NNU Cylindrical Bore
NSK Rolling Bearing
Rolling Bearings
Cylindrical Roller Bearings
Double-Row Cylindrical Roller Bearings
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CAD模型選擇
{nsk_rb/roller_bearings/cilindrical_rb/double_row_crb/nnu_cylinrical_b_asmtab.prj},{NB=NSK_NNU4934},{IDNR=},{STAN=_},{ORDER=NNU4934},{X=170},{SD=170},{DD=230},{D=230},{B=60},{R=2.0},{FW=187.0},{SDE1=209.4},{CR1=375000},{COR1=805000},{CR2=38500},{COR2=82000},{LG=2400},{LO=2800},{DA1=179.0},{DA2=186},{D1A=182},{DC=192},{D3A=221.0},{RA=2.0},{MASS=7.12},{SC=1},{PPATH=nnu_cylinrical_b_asmtpl.prj}
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LINA
明細表
STAN
Standard
ⁿ/ₐ
ORDER
Bearing No.
ⁿ/ₐ
SD
Inside Diameter
[mm]
D
Outside Diameter
[mm]
B
Width
[mm]
R
Chamfer Dimension
[mm]
FW
Boundary Dimension
[mm]
CR1
Basic Dynamic Load Ratings
[N]
COR1
Basic Static Load Ratings
[N]
CR2
Basic Dynamic Load Ratings
[kgf]
COR2
Basic Static Load Ratings
[kgf]
LG
Limiting Speed Grease
[rpm]
LO
Limiting Speed Oil
[rpm]
DA1
Abutment and Fillet Dimensions min.
[mm]
DA2
Abutment and Fillet Dimensions max.
[mm]
DC
Abutment and Fillet Dimensions min.
[mm]
D3A
Abutment and Fillet Dimensions min.
[mm]
RA
Abutment and Fillet Dimensions max.
[mm]
MASS
Mass
[kg]
NNU4920
_
NNU4920
100
140
40
1.1
112.0
155000
295000
15800
30000
4000
5000
106.5
111
115
133.5
1.0
1.90
NNU4921
_
NNU4921
105
145
40
1.1
117.0
161000
315000
16400
32000
3800
4800
111.5
116
120
138.5
1.0
1.99
NNU4922
_
NNU4922
110
150
40
1.1
122.0
167000
335000
17000
34000
3600
4500
116.5
121
125
143.5
1.0
2.07
NNU4924
_
NNU4924
120
165
45
1.1
133.5
183000
360000
18700
37000
3200
4000
126.5
133
137
158.5
1.0
2.85
NNU4926
_
NNU4926
130
180
50
1.5
144.0
274000
545000
27900
56000
3000
3800
138.0
143
148
172.0
1.5
3.85
NNU4928
_
NNU4928
140
190
50
1.5
154.0
283000
585000
28800
59500
2800
3600
148.0
153
158
182.0
1.5
4.09
NNU4930
_
NNU4930
150
210
60
2.0
167.0
350000
715000
36000
72500
2600
3200
159.0
166
171
201.0
2.0
6.39
NNU4932
_
NNU4932
160
220
60
2.0
177.0
365000
760000
37000
77500
2400
3000
169.0
176
182
211.0
2.0
6.76
NNU4934
_
NNU4934
170
230
60
2.0
187.0
375000
805000
38500
82000
2400
2800
179.0
186
192
221.0
2.0
7.12
NNU4936
_
NNU4936
180
250
69
2.0
200.0
480000
1020000
49000
104000
2200
2600
189.0
199
205
241.0
2.0
10.40
NNU4938
_
NNU4938
190
260
69
2.0
211.5
485000
1060000
49500
108000
2000
2600
199.0
211
217
251.0
2.0
10.90
NNU4940
_
NNU4940
200
280
80
2.1
223.0
570000
1220000
58000
124000
1900
2400
211.0
222
228
269.0
2.0
15.30
NNU4944
_
NNU4944
220
300
80
2.1
243.0
600000
1330000
61000
136000
1700
2200
231.0
242
248
289.0
2.0
16.60
NNU4948
_
NNU4948
240
320
80
2.1
263.0
625000
1450000
63500
148000
1600
2000
251.0
262
269
309.0
2.0
18.00
NNU4952
_
NNU4952
260
360
100
2.1
289.0
935000
2100000
95000
214000
1400
1800
271.0
288
295
349.0
2.0
31.10
NNU4956
_
NNU4956
280
380
100
2.1
309.0
960000
2230000
98000
227000
1300
1700
291.0
308
315
369.0
2.0
33.00
NNU4960
_
NNU4960
300
420
118
3.0
336.0
1230000
2870000
125000
293000
1200
1500
313.0
335
343
407.0
2.5
51.80
NNU4964
_
NNU4964
320
440
118
3.0
356.0
1260000
3050000
129000
310000
1100
1400
333.0
355
363
427.0
2.5
54.90
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