Flanged Units
ASFB2 Series Light Oval Flange Units
Two-bolt oval (rhombus) flange housing for compact mounting on a flat machine face, with a set screw insert bearing in a cast iron housing. Shaft sizes 12mm – 35mm; each size is listed with its dimensions below.
Dimensions & Part Numbers
| Shaft Dia. (mm) | Unit Number | H (mm) | J (Bolt Hole Spacing) (mm) | A2 (mm) | A1 (mm) | A (mm) | N (Bolt Hole Dia.) (mm) | L (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | ASFB201 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS201 |
| 15 | ASFB202 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS202 |
| 17 | ASFB203 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS203 |
| 20 | ASFB204 | 90 | 71.5 | 11 | 11 | 20 | 10 | 61 | 29 | 25 | 7 | M8 | AS204 |
| 25 | ASFB205D1 | 95 | 76 | 11 | 11 | 20 | 10 | 64 | 30.5 | 27 | 7.5 | M8 | AS205 |
| 30 | ASFB206 | 113 | 90.5 | 12 | 12 | 22.5 | 12 | 76 | 33 | 29 | 8 | M10 | AS206 |
| 35 | ASFB207 | 122 | 100 | 11 | 13 | 24 | 12 | 89 | 36.5 | 34 | 8.5 | M10 | AS207 |
Dimensions and part numbers per manufacturer technical catalogue; confirm the exact unit and brand with us before ordering.
Inch Shaft Sizes
The same ASFB2 housings are also supplied with inch-bore insert bearings. The unit number carries a suffix for the shaft size (for example -104 is 1-1/4 inch), and the housing dimensions are the same as the metric unit in the table above.
| Shaft Dia. (in) | Unit Number | H (mm) | J (Bolt Hole Spacing) (mm) | A2 (mm) | A1 (mm) | A (mm) | N (Bolt Hole Dia.) (mm) | L (mm) | A0 (mm) | B (Inner Ring Width) (mm) | S (mm) | Bolt Size | Bearing Insert No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 in (12.7 mm) | ASFB201-008 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS201-008 |
| 9/16 in (14.3 mm) | ASFB202-009 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS202-009 |
| 5/8 in (15.9 mm) | ASFB202-010 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS202-010 |
| 11/16 in (17.5 mm) | ASFB203-011 | 81 | 63.5 | 9.5 | 9.5 | 18 | 7 | 56 | 25.5 | 22 | 6 | M6 | AS203-011 |
| 3/4 in (19.1 mm) | ASFB204-012 | 90 | 71.5 | 11 | 11 | 20 | 10 | 61 | 29 | 25 | 7 | M8 | AS204-012 |
| 13/16 in (20.6 mm) | ASFB205D1-013 | 95 | 76 | 11 | 11 | 20 | 10 | 64 | 30.5 | 27 | 7.5 | M8 | AS205-013 |
| 7/8 in (22.2 mm) | ASFB205D1-014 | 95 | 76 | 11 | 11 | 20 | 10 | 64 | 30.5 | 27 | 7.5 | M8 | AS205-014 |
| 15/16 in (23.8 mm) | ASFB205D1-015 | 95 | 76 | 11 | 11 | 20 | 10 | 64 | 30.5 | 27 | 7.5 | M8 | AS205-015 |
| 1 in (25.4 mm) | ASFB205D1-100 | 95 | 76 | 11 | 11 | 20 | 10 | 64 | 30.5 | 27 | 7.5 | M8 | AS205-100 |
| 1-1/16 in (27 mm) | ASFB206-101 | 113 | 90.5 | 12 | 12 | 22.5 | 12 | 76 | 33 | 29 | 8 | M10 | AS206-101 |
| 1-1/8 in (28.6 mm) | ASFB206-102 | 113 | 90.5 | 12 | 12 | 22.5 | 12 | 76 | 33 | 29 | 8 | M10 | AS206-102 |
| 1-3/16 in (30.2 mm) | ASFB206-103 | 113 | 90.5 | 12 | 12 | 22.5 | 12 | 76 | 33 | 29 | 8 | M10 | AS206-103 |
| 1-1/4 in (31.8 mm) | ASFB206-104 | 113 | 90.5 | 12 | 12 | 22.5 | 12 | 76 | 33 | 29 | 8 | M10 | AS206-104 |
| 1-1/4 in (31.8 mm) | ASFB207-104 | 122 | 100 | 11 | 13 | 24 | 12 | 89 | 36.5 | 34 | 8.5 | M10 | AS207-104 |
| 1-5/16 in (33.3 mm) | ASFB207-105 | 122 | 100 | 11 | 13 | 24 | 12 | 89 | 36.5 | 34 | 8.5 | M10 | AS207-105 |
| 1-3/8 in (34.9 mm) | ASFB207-106 | 122 | 100 | 11 | 13 | 24 | 12 | 89 | 36.5 | 34 | 8.5 | M10 | AS207-106 |
| 1-7/16 in (36.5 mm) | ASFB207-107 | 122 | 100 | 11 | 13 | 24 | 12 | 89 | 36.5 | 34 | 8.5 | M10 | AS207-107 |
Typical Applications
- Conveyor shafts and idlers
- Fans and blowers
- Agricultural machinery
- General industrial shafting
Frequently Asked Questions
What sizes are available in the ASFB2 series?
ASFB2 units are available from 12mm – 35mm bore, as listed in the dimension table below. Each size has its own part number for ordering.
What is the housing material and locking type for ASFB2?
ASFB2 uses a cast iron housing with set screw locking, sourced from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is ASFB2 typically used for?
Common applications include conveyor shafts and idlers and fans and blowers, and similar general industrial shaft-support duties.
Can’t find your size?
We supply sizes, brands and special versions of mounted bearing units that are not listed on this page. Type the exact size or designation you need and send it to us for a quote.
Need pricing on ASFB2 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.