Superflo Bearing telecom

Superflo Bearings: Engineering Reliability

The Superflo Bearing System represents a mechanical advancement in sleeve bearing systems, featuring a permanently lubricated spinning mechanism for Delta fans. The Superflo system includes an anti-gravity oil pump that re-circulates and recycles the oil in a sealed chamber with dual labyrinth seals. Superflo fans can be used in many of the Delta fan series*.

The Superflo bearing system:

  • Prevents oil leakage
  • Greatly prolongs the life of any fan
  • Runs longer than standard fans

*In the Delta fan naming system, the second digit “U” signifies a Superflo fan.

Superflo fan construction
The Superflo AUB Series fan L10 life is guaranteed for 50,000 hrs @ 40
compared to regular sleeve bearing L10 life of 30,000 hrs @40


Available Models:

Part number
(Download spec sheets)
Dimension (mm) Operating Voltage Range (VDC) Voltage (VDC) Bearing type Current (A) Power (W) Speed (RPM) Noise (dB-A) Air Flow (CFM) Air Pressure
(in H2O)
AUB0412HDYFM 40x40x20 7.0~13.8 12 superflo 0.08 0.96 6200 22 8.01 0.17
AUB0512HB 50x50x15 7.0~13.8 12 superflo 0.10 1.20 5600 32 14.13 0.24
AUB0512HB-F00 50x50x15 7.0~13.8 12 superflo 0.10 1.20 5600 32 14.13 0.24
AUB0512HHB-F00 50x50x15 7.0~13.8 12 superflo 0.13 1.56 6400 36 16.24 0.32
AUB0512LB 50x50x15 7.0~13.8 12 superflo 0.06 0.72 4000 24 9.89 0.13
AUB0512LB-AYCX 50x50x15 6.0~13.2 12 superflo 0.04 0.48 3800 20 10.02 0.10
AUB0512MB-F00 50x50x15 7.0~13.8 12 superflo 0.08 0.96 4800 28 12.36 0.18
AUB0524HB 50x50x15 14.0~27.8 24 superflo 0.07 1.68 5600 32 14.13 0.24
AUB0524HHB 50x50x15 14.0~27.8 24 superflo 0.08 1.92 6400 36 16.24 0.32
AUB0524LB 50x50x15 14.0~27.8 24 superflo 0.05 1.20 4000 24 9.89 0.13
AUB0524MB 50x50x15 14.0~27.8 24 superflo 0.06 1.44 4800 28 12.36 0.18
AUB0505HD 50x50x20 4.5~5.5 5 superflo 0.33 1.65 5600 28 17.13 0.23
AUB0512HHD 50x50x20 7.0~13.8 12 superflo 0.09 1.08 6400 32.50 20.13 0.29
AUB0524HD 50x50x20 14.0~27.6 24 superflo 0.07 1.68 5600 28 17.13 0.23
AUB0524HHD 50x50x20 14.0~27.6 24 superflo 0.09 2.16 6400 32.50 20.13 0.29
AUB0524LD 50x50x20 14.0~27.6 24 superflo 0.05 1.20 4000 18.50 12.00 0.11
AUB0524MD 50x50x20 14.0~27.6 24 superflo 0.06 1.44 4800 24 14.83 0.17
AUB0524VHD 50x50x20 14.0~27.6 24 superflo 0.06 2.40 7000 35.50 21.54 0.34
AUB0612HB-A 60x60x15 7.0~13.8 12 superflo 0.06 0.72 3000 23.50 15.24 0.09
AUB0612HHB 60x60x15 7.0~13.8 12 superflo 0.06 1.68 4500 35 17.30 0.20
AUB0612HHB-A 60x60x15 7.0~13.8 12 superflo 0.06 1.56 4500 33 23.39 0.19
AUB0612HHB-F00 60x60x15 7.0~13.8 12 superflo 0.06 1.68 4500 35 17.30 0.20
AUB0612HHB-R00 60x60x15 7.0~13.8 12 superflo 0.06 1.68 4500 35 17.30 0.20
AUB0612LB-F00 60x60x15 7.0~13.8 12 superflo 0.06 0.72 3000 24 11.55 0.09
AUB0612LB-R00 60x60x15 7.0~13.8 12 superflo 0.06 0.72 3000 24 11.55 0.09
AUB0612MB-F00 60x60x15 7.0~13.8 12 superflo 0.06 1.08 3500 29 13.45 0.12
AUB0612MB-R00 60x60x15 7.0~13.8 12 superflo 0.06 1.08 3500 29 13.45 0.12
AUB0624HB 60x60x15 14.0~27.6 24 superflo 0.06 1.44 4000 32 15.36 0.16
AUB0624HHB 60x60x15 14.0~27.6 24 superflo 0.06 1.68 4500 35 17.30 0.20
AUB0624LB 60x60x15 14.0~27.6 24 superflo 0.06 0.96 3000 24 11.55 0.09
AUB0624MB 60x60x15 14.0~27.6 24 superflo 0.06 1.20 3500 29 13.45 0.12
EUB0612VHB 60x60x15 7.0~13.8 12 superflo 0.06 2.16 5000 35.50 23.20 0.26
AUB0612H 60x60x25 7.0~13.8 12 superflo 0.06 1.44 4250 28 19.42 0.19
AUB0612H-A 60x60x25 4.0~13.8 12 superflo 0.06 1.56 4200 35 21.19 0.20
AUB0612H-F00 60x60x25 7.0~13.8 12 superflo 0.06 1.44 4250 28 19.42 0.19
AUB0612HH-A 60x60x25 4.0~13.8 12 superflo 0.06 2.40 5000 40 25.43 0.28
AUB0612HH-AF00 60x60x25 4.0~13.8 12 superflo 0.06 2.40 5000 40 25.43 0.28
AUB0612L-A 60x60x25 4.0~13.8 12 superflo 0.06 0.84 3100 26.50 13.77 0.10
AUB0612M-A 60x60x25 4.0~13.8 12 superflo 0.06 1.08 3600 31 18.36 0.15
AUB0612VH-AF00 60x60x25 4.0~13.8 12 superflo 0.06 2.88 5500 42.50 29.31 0.35
AUB0612VH-AIT 60x60x25 4.0~13.8 12 superflo 0.06 2.88 5500 42.50 29.31 0.35
AUB0712H-A 70x70x25 5.0~13.8 12 superflo 0.06 2.40 3900 36 36.02 0.26
AUB0712L-A 70x70x25 5.0~13.8 12 superflo 0.06 1.08 2300 24.5 19.78 0.09
AUB0812HB-AR00 80x80x15 5.0~13.8 12 superflo 0.06 1.80 3100 35 36.36 0.14
AUB0812LB-AR00 80x80x15 5.0~13.8 12 superflo 0.06 1.20 2400 27 27.53 0.08
AUB0812VHB-AF00 80x80x15 5.0~13.2 12 superflo 0.06 3.00 3700 40.50 42.71 0.19
AUB0824HB-A 80x80x15 10.0~27.6 24 superflo 0.06 2.40 3100 35 36.36 0.14
AUB0824HHB-A 80x80x15 10.0~27.6 24 superflo 0.06 2.88 3400 38 39.18 0.17
AUB0824MB-A 80x80x15 10.0~27.6 24 superflo 0.06 1.92 2700 31 31.42 0.11
AUB0812HHDXHN 80x80x20 10.8~12.6 12 superflo 0.06 3.60 4500 43 51.46 0.29
AUB0812H-A 80x80x25 7.0~13.8 12 superflo 0.06 2.16 3000 34 38.83 0.18
AUB0812H-AF00 80x80x25 7.0~13.8 12 superflo 0.06 2.16 3000 34 38.83 0.18
AUB0812HH-A 80x80x25 7.0~13.8 12 superflo 0.06 2.52 3250 35.50 42.36 0.21
AUB0812L-9X41 80x80x25 10.8~13.8 12 superflo 0.06 1.08 2400 25 27.90 0.10
AUB0812L-A 80x80x25 7.0~13.8 12 superflo 0.06 1.32 2400 28 31.06 0.12
AUB0812M-A 80x80x25 7.0~13.8 12 superflo 0.06 1.8 2700 32 35.30 0.15
AUB0812VH-A 80x80x25 7.0~13.8 12 superflo 0.06 3.24 3600 39 46.60 0.26
AUB0812VH-AF00 80x80x25 7.0~13.8 12 superflo 0.06 3.24 3600 39 46.60 0.26
AUB0812VH-AIT 80x80x25 7.0~13.8 12 superflo 0.06 3.24 3600 39 46.60 0.26
AUB0812VH-SP00 80x80x25 10.8~13.2 12 superflo 0.06 2.28 3600 39 42.02 0.22
AUB0912H-A 92x92x25 5.0~13.8 12 superflo 0.06 2.52 2800 38 59.89 0.19
AUB0912H-C 92x92x25 7.0~13.8 12 superflo 0.06 3.00 2800 38 56.66 0.18
AUB0912HH-CF00 92x92x25 7.0~13.8 12 superflo 0.06 3.96 3200 41 62.13 0.22
AUB0912L-C 92x92x25 7.0~13.8 12 superflo 0.06 1.32 2000 27 39.36 0.09
AUB0912M-C 92x92x25 7.0~13.8 12 superflo 0.06 1.92 2400 33 46.81 0.13
AUB0912VH-CF00 92x92x25 7.0~13.8 12 superflo 0.06 4.80 3600 45 72.01 0.29
AUB0912VH-CX09 92x92x25 10.8~13.2 12 superflo 0.06 4.56 3800 45 67.80 0.30
AUB0924VH-A 92x92x25 14.8~26.4 24 superflo 0.06 6.00 3800 46 81.47 0.35
AUB1212H-CK15 120x120x25 10.8~13.2 12 superflo 0.06 3.24 2200 38 88.6 0.16
The performance data is subject to change without notice.

Download Superflo Fans Overview and Part Number List

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