Bearing Inserts
AELS203 Insert Bearing
17 mm shaft
AELS203 is an insert bearing in the AELS2 series for a 17 mm shaft. It is a ball bearing with a spherical outer ring and eccentric locking collar locking, supplied without a housing. Key dimensions: D 40 mm, B1 28.6 mm, B 19 mm, C 12 mm, rs 0.6 mm, r1s 0.6 mm.
Also listed as: CSA203, RAE17-XL-NPP
Brands: NTN, FAG, SKF, FYH, Asahi, DTC, SLS
AELS203 Specifications
| Shaft Dia. | 17 mm |
|---|---|
| Bearing Number | AELS203 |
| D (Outside Dia.) | 40 mm |
| B1 (Width with Collar) | 28.6 mm |
| B (Inner Ring Width) | 19 mm |
| C (Outer Ring Width) | 12 mm |
| rs (min. Chamfer) | 0.6 mm |
| r1s (min. Chamfer) | 0.6 mm |
| S | 6.5 mm |
| S1 | 22.1 mm |
| G | 4.8 mm |
| ds (Set Screw) | M6×0.75 |
| Cr (Dynamic Load) | 9600 N |
| Cor (Static Load) | 4600 N |
| f0 (Factor) | 12.8 |
| Mass | 0.1 kg |
| Locking | Eccentric locking collar |
| Series | AELS200 Series Eccentric Collar Insert Bearings (AELS2) |
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.
AELS203 Equivalent Designations
Other brands list this 17 mm insert bearing under these numbers.
| Our number | AELS203 |
|---|---|
| Equivalent | CSA203 |
| INA equivalent | RAE17-XL-NPP |
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. See the full bearing interchange chart.
Neighbouring Sizes in the AELS2 Series
AELS203 — Frequently Asked Questions
What shaft size does the AELS203 fit?
The AELS203 fits a 17 mm shaft.
What is the AELS203 made of and how is it locked to the shaft?
It is supplied as an insert bearing only, without a housing, and is locked to the shaft with eccentric locking collar. Its outer ring is spherical so it seats in a matching housing.
What is the equivalent of the AELS203?
The AELS203 is also listed as CSA203, RAE17-XL-NPP by other brands. The INA designation is RAE17-XL-NPP. 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.
Do you supply the AELS203 across India?
Yes. Logass Trade Centre supplies the AELS203 Pan India with technical support, from single pieces to bulk orders. Use the quote button to share your quantity and preferred brand.
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 the AELS203?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.