| Symbol | Value | Description |
|---|---|---|
| ≈m | 4.6 kg | Weight |
| Ca | 49300 N | Basic dynamic load rating, axial |
| C0a | 99600 N | Basic static load rating, axial |

IBC
Support Unit
Pillow Block Housing Unit
RFQ
EX-WORKS (Incoterms 2020) Seoul, Korea — Buyer arranges freight, duties, and insurance.
IBC BSPB25Q42 Pillow Block Housing Unit is a base-mounted bearing unit with an insert bearing assembled in a housing. It bolts onto flat frames and is widely used for horizontal shaft support in conveyors, fans, agricultural machines, and packaging equipment.
The unit combines a cast iron or sheet steel base housing with a radial insert ball bearing. The spherical fit between bearing and housing compensates for static misalignment, while seals reduce contamination ingress.
Verify shaft diameter, base bolt spacing, housing material, locking method, seal, and grease nipple specification.
| Symbol | Value | Description |
|---|---|---|
| ≈m | 4.6 kg | Weight |
| Ca | 49300 N | Basic dynamic load rating, axial |
| C0a | 99600 N | Basic static load rating, axial |
| Symbol | Value | Description |
|---|---|---|
| d | 25 mm | Bore diameter |
| M | 42 mm | Centre height |
| C | 82 mm | Unit width C |
| E | 80 mm | Unit dimension E |
| d3 | 50 mm | Locating diameter d3 |
| U | 125 mm | Base length |
| U1 | 62.5 mm | Base dimension U1 |
| U2 | 20 mm | Base dimension U2 |
| V1 | 82 mm | Base dimension V1 |
| V2 | 42 mm | Base dimension V2 |
| V3 | 15 mm | Base dimension V3 |
| D1 | 40 mm | Locating diameter D1 |
| Symbol | Value | Description |
|---|---|---|
| Fv L | 2500 N | Preload force — class L (light) |
| Fv M | 5620 N | Preload force — class M (medium) |
| Fv H | 11240 N | Preload force — class H (high) |
| Sax L | 1440 N/μm | Axial stiffness — preload L |
| Sax M | 1900 N/μm | Axial stiffness — preload M |
| Sax H | 2420 N/μm | Axial stiffness — preload H |
| nF L | 4400 1/min | Limiting speed (grease) — preload L |
| nF M | 3500 1/min | Limiting speed (grease) — preload M |
| nF H | 1800 1/min | Limiting speed (grease) — preload H |
| MR L | 0.23 Nm | Frictional torque — preload L |
| MR M | 0.37 Nm | Frictional torque — preload M |
| MR H | 0.75 Nm | Frictional torque — preload H |
| Code | Description |
|---|---|
| Precision pillow block 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:
IBCBSPB25Q42IBC BSPB 25 Q 42IBCBSPB 25 Q 42IBCBSPB25 Q 42IBCBSPB25Q 42IBC BSPB25Q42IBC BSPB 25Q42IBC BSPB 25 Q42IBCBSPB25IBCBSPB25QBSPBBSPB25RFQ

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