| Symbol | Value | Description |
|---|---|---|
| ≈m | 6.1 kg | Weight |
| Ca | 67900 N | Basic dynamic load rating, axial |
| C0a | 133000 N | Basic static load rating, axial |

IBC
Support Unit
Flanged Housing Unit
RFQ
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
IBC BSBU40DB128 Flanged Housing Unit is a ready-to-mount bearing unit combining an insert bearing with a flanged housing. It bolts to machine side frames to support shafts and is well suited to conveyors, fans, and agri-food equipment where installation and replacement speed matter.
A radial insert ball bearing is matched with a cast iron or sheet steel housing. Two-bolt, four-bolt, and round flange styles can be selected according to mounting space and load direction.
Verify flange style, bolt pitch, shaft diameter, housing material, seal specification, and relubrication method.
| Symbol | Value | Description |
|---|---|---|
| ≈m | 6.1 kg | Weight |
| Ca | 67900 N | Basic dynamic load rating, axial |
| C0a | 133000 N | Basic static load rating, axial |
| Symbol | Value | Description |
|---|---|---|
| d | 40 mm | Bore diameter |
| D | 128 mm | Outside diameter |
| MF | 64 mm | Flange width |
| C | 66 mm | Unit width C |
| E | 64 mm | Unit dimension E |
| d2 | 11.4 mm | Fixing hole diameter d2 |
| d3 | 76 mm | Locating diameter d3 |
| D1 | 66 mm | Locating diameter D1 |
| D2 | 128 mm | Locating diameter D2 |
| D3 | 165 mm | Flange diameter |
| Symbol | Value | Description |
|---|---|---|
| Fv L | 3330 N | Preload force — class L (light) |
| Fv M | 7490 N | Preload force — class M (medium) |
| Fv H | 14980 N | Preload force — class H (high) |
| Sax L | 1270 N/μm | Axial stiffness — preload L |
| Sax M | 1680 N/μm | Axial stiffness — preload M |
| Sax H | 2140 N/μm | Axial stiffness — preload H |
| nF L | 4000 1/min | Limiting speed (grease) — preload L |
| nF M | 3200 1/min | Limiting speed (grease) — preload M |
| nF H | 1600 1/min | Limiting speed (grease) — preload H |
| MR L | 0.46 Nm | Frictional torque — preload L |
| MR M | 0.73 Nm | Frictional torque — preload M |
| MR H | 1.47 Nm | Frictional torque — preload H |
| Code | Description |
|---|---|
| M14 | Fixing thread |
| Precision flange locating bearing unit | Unit type |
The same part number can be written with or without separators, or in progressive prefix form. We index these common variants so your search reaches this page:
IBCBSBU40DB128IBC BSBU 40 DB 128IBCBSBU 40 DB 128IBCBSBU40 DB 128IBCBSBU40DB 128IBC BSBU40DB128IBC BSBU 40DB128IBC BSBU 40 DB128IBCBSBU40IBCBSBU40DBBSBUBSBU40RFQ

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