Bearing Inserts
ASS204 Insert Bearing
20 mm shaft
ASS204 is an insert bearing in the ASS2 series for a 20 mm shaft. It is a ball bearing with a spherical outer ring and set screw locking, supplied without a housing. Key dimensions: D 47 mm, B 25 mm, C 14 mm, rs 1 mm, r1s 0.6 mm, S 7 mm.
Also listed as: CSB204
Brands: NTN, FAG, SKF, FYH, Asahi, DTC, SLS
ASS204 Specifications
| Shaft Dia. | 20 mm |
|---|---|
| Bearing Number | ASS204 |
| D (Outside Dia.) | 47 mm |
| B (Inner Ring Width) | 25 mm |
| C (Outer Ring Width) | 14 mm |
| rs (min. Chamfer) | 1 mm |
| r1s (min. Chamfer) | 0.6 mm |
| S | 7 mm |
| S1 | 18 mm |
| G | 4.2 mm |
| ds (Set Screw) | M5×0.8 |
| d4 | 29.6 mm |
| Cr (Dynamic Load) | 12800 N |
| Cor (Static Load) | 6650 N |
| f0 (Factor) | 13.2 |
| Mass | 0.17 kg |
| Locking | Set screw |
| Series | ASS200 Series Insert Bearings (ASS2) |
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.
ASS204 Equivalent Designations
Other brands list this 20 mm insert bearing under these numbers.
| Our number | ASS204 |
|---|---|
| Equivalent | CSB204 |
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 ASS2 Series
ASS204 — Frequently Asked Questions
What shaft size does the ASS204 fit?
The ASS204 fits a 20 mm shaft.
What is the ASS204 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 set screw. Its outer ring is spherical so it seats in a matching housing.
What is the equivalent of the ASS204?
The ASS204 is also listed as CSB204 by other brands. 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 ASS204 across India?
Yes. Logass Trade Centre supplies the ASS204 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 ASS204?
Share your quantity and preferred brand — our technical team will confirm availability and pricing within one business day.