Bearing Inserts
ASS200 Series Insert Bearings (ASS2)
The ASS2 series is a light-duty set-screw insert bearing with a spherical outer ring. It has the same outside diameter and load ratings as AS2 for the same shaft. Order with suffix D1 if the relubricatable type is needed. Shaft sizes 12mm – 50mm; each size is listed with its dimensions and load ratings below.
Dimensions, Load Ratings & Part Numbers
| Shaft Dia. (mm) | Bearing Number | D (Outside Dia.) (mm) | B (Inner Ring Width) (mm) | C (Outer Ring Width) (mm) | rs (min. Chamfer) (mm) | r1s (min. Chamfer) (mm) | S (mm) | S1 (mm) | G (mm) | ds (Set Screw) | d4 (mm) | Cr (Dynamic Load) (N) | Cor (Static Load) (N) | f0 (Factor) | Mass (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12 | ASS201 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | M5×0.8 | 24.3 | 9600 | 4600 | 12.8 | 0.12 |
| 15 | ASS202 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | M5×0.8 | 24.3 | 9600 | 4600 | 12.8 | 0.11 |
| 17 | ASS203 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | M5×0.8 | 24.3 | 9600 | 4600 | 12.8 | 0.1 |
| 20 | ASS204 | 47 | 25 | 14 | 1 | 0.6 | 7 | 18 | 4.2 | M5×0.8 | 29.6 | 12800 | 6650 | 13.2 | 0.17 |
| 25 | ASS205 | 52 | 27 | 15 | 1 | 0.6 | 7.5 | 19.5 | 5 | M5×0.8 | 33.9 | 14000 | 7850 | 13.9 | 0.17 |
| 30 | ASS206 | 62 | 29 | 16 | 1 | 0.6 | 8 | 21 | 5 | M6×0.75 | 40.8 | 19500 | 11300 | 13.8 | 0.31 |
| 35 | ASS207 | 72 | 34 | 17 | 1.5 | 0.6 | 8.5 | 25.5 | 6 | M6×0.75 | 46.8 | 25700 | 15300 | 13.8 | 0.49 |
| 40 | ASS208 | 80 | 38 | 18 | 1.5 | 0.6 | 9 | 29 | 8 | M8×1 | 53 | 29100 | 17800 | 14 | 0.5 |
| 45 | ASS209 | 85 | 40 | 19 | 1.5 | 1.5 | 9.5 | 30.5 | 8 | M8×1 | 57.5 | 32500 | 20400 | 14.1 | 0.56 |
| 50 | ASS210 | 90 | 42 | 20 | 1.5 | 1.5 | 10 | 32 | 9 | M8×1 | 62.4 | 35000 | 23200 | 14.4 | 0.67 |
Dimensions and load ratings per the NTN catalogue (metric and inch bores). The catalogue number adds suffixes to the base number shown here; confirm the exact version and brand with us before ordering. Cr and Cor are basic dynamic and static load ratings in newtons.
ASS2 Equivalent Designations
Other brands sell these under different numbers. Equivalent designations share the same boundary dimensions. Seals, locking collar type and clearance can differ between brands, so confirm the exact version with us before ordering.
| Shaft Dia. (mm) | Our number | Also listed as | INA |
|---|---|---|---|
| 12 | ASS201 | CSB201 | — |
| 15 | ASS202 | CSB202 | — |
| 17 | ASS203 | CSB203 | — |
| 20 | ASS204 | CSB204 | — |
| 25 | ASS205 | CSB205 | — |
| 30 | ASS206 | CSB206 | — |
| 35 | ASS207 | CSB207 | — |
| 40 | ASS208 | CSB208 | — |
| 45 | ASS209 | CSB209 | — |
| 50 | ASS210 | CSB210 | — |
See the full bearing interchange chart.
Inch Shaft Sizes
The ASS2 insert bearing is also supplied with inch bores. The number carries a suffix for the shaft size (for example -104 is 1-1/4 inch). Outside dimensions and load ratings match the metric size in the table above; the set screw thread is the inch (UNF) size shown.
| Shaft Dia. (in) | Bearing Number | D (Outside Dia.) (mm) | B (Inner Ring Width) (mm) | C (Outer Ring Width) (mm) | rs (min. Chamfer) (mm) | r1s (min. Chamfer) (mm) | S (mm) | S1 (mm) | G (mm) | ds (Set Screw) | d4 (mm) | Cr (Dynamic Load) (N) | Cor (Static Load) (N) | f0 (Factor) | Mass (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 in (12.7 mm) | ASS201-008 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | No.10-32UNF | 24.3 | 9600 | 4600 | 12.8 | 0.12 |
| 9/16 in (14.3 mm) | ASS202-009 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | No.10-32UNF | 24.3 | 9600 | 4600 | 12.8 | 0.11 |
| 5/8 in (15.9 mm) | ASS202-010 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | No.10-32UNF | 24.3 | 9600 | 4600 | 12.8 | 0.11 |
| 11/16 in (17.5 mm) | ASS203-011 | 40 | 22 | 12 | 0.6 | 0.6 | 6 | 16 | 4.2 | No.10-32UNF | 24.3 | 9600 | 4600 | 12.8 | 0.1 |
| 3/4 in (19.1 mm) | ASS204-012 | 47 | 25 | 14 | 1 | 0.6 | 7 | 18 | 4.2 | No.10-32UNF | 29.6 | 12800 | 6650 | 13.2 | 0.17 |
| 13/16 in (20.6 mm) | ASS205-013 | 52 | 27 | 15 | 1 | 0.6 | 7.5 | 19.5 | 5 | No.10-32UNF | 33.9 | 14000 | 7850 | 13.9 | 0.17 |
| 7/8 in (22.2 mm) | ASS205-014 | 52 | 27 | 15 | 1 | 0.6 | 7.5 | 19.5 | 5 | No.10-32UNF | 33.9 | 14000 | 7850 | 13.9 | 0.17 |
| 15/16 in (23.8 mm) | ASS205-015 | 52 | 27 | 15 | 1 | 0.6 | 7.5 | 19.5 | 5 | No.10-32UNF | 33.9 | 14000 | 7850 | 13.9 | 0.17 |
| 1 in (25.4 mm) | ASS205-100 | 52 | 27 | 15 | 1 | 0.6 | 7.5 | 19.5 | 5 | No.10-32UNF | 33.9 | 14000 | 7850 | 13.9 | 0.17 |
| 1-1/16 in (27 mm) | ASS206-101 | 62 | 29 | 16 | 1 | 0.6 | 8 | 21 | 5 | 1/4-28UNF | 40.8 | 19500 | 11300 | 13.8 | 0.31 |
| 1-1/8 in (28.6 mm) | ASS206-102 | 62 | 29 | 16 | 1 | 0.6 | 8 | 21 | 5 | 1/4-28UNF | 40.8 | 19500 | 11300 | 13.8 | 0.31 |
| 1-3/16 in (30.2 mm) | ASS206-103 | 62 | 29 | 16 | 1 | 0.6 | 8 | 21 | 5 | 1/4-28UNF | 40.8 | 19500 | 11300 | 13.8 | 0.31 |
| 1-1/4 in (31.8 mm) | ASS206-104 | 62 | 29 | 16 | 1 | 0.6 | 8 | 21 | 5 | 1/4-28UNF | 40.8 | 19500 | 11300 | 13.8 | 0.31 |
| 1-1/4 in (31.8 mm) | ASS207-104 | 72 | 34 | 17 | 1.5 | 0.6 | 8.5 | 25.5 | 6 | 1/4-28UNF | 46.8 | 25700 | 15300 | 13.8 | 0.49 |
| 1-5/16 in (33.3 mm) | ASS207-105 | 72 | 34 | 17 | 1.5 | 0.6 | 8.5 | 25.5 | 6 | 1/4-28UNF | 46.8 | 25700 | 15300 | 13.8 | 0.49 |
| 1-3/8 in (34.9 mm) | ASS207-106 | 72 | 34 | 17 | 1.5 | 0.6 | 8.5 | 25.5 | 6 | 1/4-28UNF | 46.8 | 25700 | 15300 | 13.8 | 0.49 |
| 1-7/16 in (36.5 mm) | ASS207-107 | 72 | 34 | 17 | 1.5 | 0.6 | 8.5 | 25.5 | 6 | 1/4-28UNF | 46.8 | 25700 | 15300 | 13.8 | 0.49 |
| 1-1/2 in (38.1 mm) | ASS208-108 | 80 | 38 | 18 | 1.5 | 0.6 | 9 | 29 | 8 | 5/16-24UNF | 53 | 29100 | 17800 | 14 | 0.5 |
| 1-9/16 in (39.7 mm) | ASS208-109 | 80 | 38 | 18 | 1.5 | 0.6 | 9 | 29 | 8 | 5/16-24UNF | 53 | 29100 | 17800 | 14 | 0.5 |
| 1-5/8 in (41.3 mm) | ASS209-110 | 85 | 40 | 19 | 1.5 | 1.5 | 9.5 | 30.5 | 8 | 5/16-24UNF | 57.5 | 32500 | 20400 | 14.1 | 0.56 |
| 1-11/16 in (42.9 mm) | ASS209-111 | 85 | 40 | 19 | 1.5 | 1.5 | 9.5 | 30.5 | 8 | 5/16-24UNF | 57.5 | 32500 | 20400 | 14.1 | 0.56 |
| 1-3/4 in (44.5 mm) | ASS209-112 | 85 | 40 | 19 | 1.5 | 1.5 | 9.5 | 30.5 | 8 | 5/16-24UNF | 57.5 | 32500 | 20400 | 14.1 | 0.56 |
| 1-13/16 in (46 mm) | ASS210-113 | 90 | 42 | 20 | 1.5 | 1.5 | 10 | 32 | 9 | 5/16-24UNF | 62.4 | 35000 | 23200 | 14.4 | 0.67 |
| 1-7/8 in (47.6 mm) | ASS210-114 | 90 | 42 | 20 | 1.5 | 1.5 | 10 | 32 | 9 | 5/16-24UNF | 62.4 | 35000 | 23200 | 14.4 | 0.67 |
| 1-15/16 in (49.2 mm) | ASS210-115 | 90 | 42 | 20 | 1.5 | 1.5 | 10 | 32 | 9 | 5/16-24UNF | 62.4 | 35000 | 23200 | 14.4 | 0.67 |
| 2 in (50.8 mm) | ASS210-200 | 90 | 42 | 20 | 1.5 | 1.5 | 10 | 32 | 9 | 5/16-24UNF | 62.4 | 35000 | 23200 | 14.4 | 0.67 |
Typical Applications
- Replacement inserts for worn mounted units
- Conveyors, fans and blowers
- Agricultural and food-processing machinery
- OEM machinery with custom housings
Frequently Asked Questions
What sizes are available in the ASS2 series?
ASS2 units are available from 12mm – 50mm bore, as listed in the dimension table below. Each size has its own part number for ordering.
How is the ASS2 insert bearing locked to the shaft?
ASS2 insert bearings use set screw locking and have a spherical outer ring, so they seat in a matching housing and self-align. Available from NTN, FAG, SKF, FYH, Asahi, DTC and SLS.
What is ASS2 typically used for?
Common applications include replacement inserts for worn mounted units and conveyors, 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 ASS2 units?
Share your shaft size and quantity — our technical team will confirm availability and pricing within one business day.