ABB AMD Rg 355 Installation, Operation And Maintenance Instructions page 74

Installation, operation and maintenance instructions

High voltage flameproof motors for explosive atmosphere
AMD Rg 355-400-450-500
Rolling bearings maintenance and checking
(a) : Not standard; (b): not available; (c): with limited life ( 40000 H)
Table 4. Standard Bearings for motors with rib cooling circuit, IIB/IIC, cast iron frame AMD vertical 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)
Table 5. Standard Bearings for motors with rib cooling circuit, IIB/IIC, welded frame AMD vertical assembly
450...R...M
450...R...M
500...R...M
Table 6. Standard Bearings for AMD motors with tube cooling circuit and vertical assembly.
500...T
500...T
560...T
560...T
630...T
630...T
710...T
710...T
710...T
710...T
900...T
900...T
(a) : Not standard; (b): not available; (c): with limited life (<40000 H)
≥ 6
Size N° of Poles
2
4 - 6
2
4 - 6
2
4 - 12
4...
Size N° of Poles
2
4 - 12
4 - 12
Size N° of Poles
≥ 4
≥ 4
≥ 4
≥ 4
≥ 4
≥ 4
4
4
≥ 6
≥ 6
≥ 6
≥ 6
NU1044 – M1C3
N NU1044 – M1C3
6048 – M1C3
D
NU1048 – M1C3
N NU1048 – M1C3
D end
6316
6322
6217
6324
6317
6324
6330
D end
NU 215
6324
6326
Side
50 Hz
D 6024 - C3
N 7319
D 6026 - C3
N 7322
D 6030 - C3
N 7324
D (a)
N (a)
D 6034 - C3
N 7330
D 6044 – C3
N 2x 7334
Sheet No.
3AAM101040 E
Rev. B 01.2023
Page 6 of 11
N end
7213
6316
7217
6319
7317
7324
7330
N end
6317
7321
7321
Frequency
60 Hz
6024 - C3
7319
6026 - C3
7322
6030 - C3
7324
(b)
(b)
6034 - C3
7330
6044 – C3
2x 7334
Issued by: MOLM