ABB AMD Rg 355 Installation, Operation And Maintenance Instructions page 73

Installation, operation and maintenance instructions

High voltage flameproof motors for explosive atmosphere
AMD Rg 355-400-450-500
Rolling bearings maintenance and checking
Table 1. Standard Bearings for motors with rib cooling circuit, IIB/IIC, cast iron frame AMD horizontal assembly.
355...R...gM(H,S)
355...R...gM(H,S)
400...R...gM(H,S)
400...R...gM(H,S)
450 .. R...gM(H,S)
450 .. R...gM(H,S)
500...R...gM(H,S)
500...R...gM(H,S)
Table 2. Standard Bearings for motors with rib cooling circuit, IIB/IIC, welded frame AMD horizontal assembly.
450 .. R...M
450 .. R...M
500 .. R...M
500 .. R...M
Table 3. Standard Bearings for AMD motors with tube cooling circuit and horizontal assembly.
Size
500...T
500...T
560...T
560...T
630...T
630...T
710...T
710...T
900...T
Size N° of Poles
2
4 - 6
2
4 - 6
2
4 - 10
2
4...
Size N° of Poles
2
4 - 10
2
4 - 12
N° of Poles
2
≥ 4
2
≥ 4
2
≥ 4
2
≥ 4
4
D end
6316
6322
6317
6324
6317
6324
6319
6330
D end
6317
6324
6319
6326
Side
50 Hz
D 6317 – C3
N 6317 – C3
D
N
D 6319 – C3
N 6319 – C3
D
N
D (b)
N (b)
D
N
D (b)
N (b)
D
N
D
Sheet No.
3AAM101040 E
Rev. B 01.2023
Page 5 of 11
N end
6316
6316
6317
6319
6317
6324
6319
6330
N end
NU215
6321
NU217
6324
Frequency
60 Hz
(a)
(a)
6324 – C3
6319 – C3
(a)
(a)
6326 – C3
6322 – C3
(b)
(b)
6330 – C3
6324 – C3
(b)
(b)
6034 – C3
NU1034 EC
NU322 EC3
6044 – M1C3
Issued by: MOLM