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Cylindrical Roller Bearings


Principal Dimensions
型号
额定负荷(kN)
极限转速(rpm)
重量(kg)
Designation
Basis Load ratings
Limited Speed
Weight
d
D
B
 
动负荷
静负荷
脂润滑
油润滑
 
Dynamic
Static
Grease
Oil
 
220
340
56
NU1044M
510
765
3200
2000
20.5
400
65
NJ244E
950
1320
2800
1400
38.7
400
65
NU244E
950
1320
2800
1400
38.5
400
65
NUP244E
950
1320
2800
1400
39.3
400
108
NU2244E
1630
2360
2600
1000
61.6
400
108
NUP2244E
1630
2360
2600
1000
63.4
460
88
NU344E
1430
1900
2400
1100
75.5
460
145
NU2344E
2360
3350
2200
850
121
460
145
NUP2344E
2360
3350
2200
850
124
240
360
56
NU1048M
540
850
3000
1800
20.4
440
72
N248E
1140
1600
2600
1200
51.5
440
72
NJ248E
1140
1600
2600
1200
52.5
440
72
NU248E
1140
1600
2600
1200
51.7
440
120
NU2248E
1830
2800
2400
900
82.8
500
95
NJ348E
1730
2280
2200
1000
97
500
95
NU348E
1730
2280
2200
1000
95.7
500
155
NU2348E
2600
3750
2000
750
151
260
400
65
NU1052M
655
1020
2800
1700
29.9
480
80
NJ252E
1340
1900
2400
1100
69.4
480
80
NU252E
1340
1900
2400
1100
68.4
480
130
NU2252E
2160
3350
2200
800
109
540
102
NU352E
1900
2600
2000
900
121
540
165
NU2352E
3100
4500
1800
670
189
280
420
65
NU1056M
680
1100
2800
1500
31.4
500
80
NU256E
1400
2000
2200
1000
72.1
500
130
NU2256E
2280
3600
2000
700
114
580
108
NJ356E
2160
3050
1900
800
149
580
108
NU356E
2160
3050
1900
800
149
580
175
NU2356E
3550
5200
1600
600
234
300
310
51
NU1060M
900
1430
2400
1400
44.3
360
58
NU260E
1600
2320
2000
950
90.4
360
98
NU2260E
2700
4150
1900
630
143
320
480
74
NU1064M
915
1500
2400
1300
46.3
580
92
NU264E
1800
2700
1900
850
113
580
150
NU2264E
3150
4900
1600
560
180
340
520
82
NU1068M
1120
1830
2200
1400
63
360
540
82
NU1072M
1140
1900
2200
1200
66
650
170
NU2272E
3150
5400
1500
1100
256
380
560
82
NU1076M
1180
2000
2000
530
68.6
680
175
NU2276E
4050
6700
1400
1000
288
400
600
90
NU1080M
1370
2320
1900
450
89.8
420
620
90
NU1084M
1400
2450
1800
950
92.9
440
650
94
NU1088M
1560
2750
1600
900
104
460
620
74
NU1992M
1020
1960
1800
850
63.1
680
100
NU1092M
1660
3000
1600
 
125
480
650
78
NU1996M
1140
2240
1800
800
74.2
700
100
NU1096M
1700
3100
1500
 
134
500
720
100
NU10/500M
1760
3200
1500
800
133
560
750
85
NU19/560M
1460
3000
1400
750
105
820
115
NU10/560M
2700
5100
1200
 
208
600
800
90
NU19/600M
1700
3450
1400
600
125
670
900
103
NU19/670M
2040
4250
1200
 
186
710
950
106
NU19/710M
2240
4750
1100
 
217

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