Series LB ball bearing, Swivel castors M40 with plate fitting
Castor specifications
Pressed steel-sheet castors, white electro-zinc plated, series M40.
Press-in central kingpin with adjustable self-locking nut. Castor suitable for incidental peak-loads.
To order swivel castors with brake add FR or FV to part number.
Wheel specifications
- Tread: blue elastic solid rubber tread, containing a high percentage of natural rubber, hardness 70°± 5° Shore A. vulcanized directly onto wheel centre.
- Wheel centre: black core of high-quality polyamide 6.
- Temperature range: -20°C to +70°C.
- The tread is non-marking.
Characteristics
Thanks to the very elastic tread in combination with medium duty M40 castors this combination fulfils high ergonomic demands. A hygienic maintenance free wheel with excellent rolling characteristics at light to medium loads.
Applications
For applications on smooth and not so smooth floors with incidental peak-loads, where high requirements are made to comfort at intensive use, the ideal wheel-castor combination with rubber tread.

Product variants
| Article number | Datasheet | Drawing | Request | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 40 | 15 | 137 | 41 | 105x85 | 80x60 | 8 | 50 | 150 | 31603B | |||
| 100 | 40 | 15 | 137 | 41 | 135x110 | 105x80 | 10 | 50 | 150 | 31604B | |||
| 125 | 40 | 15 | 163 | 41 | 105x85 | 80x60 | 8 | 50 | 180 | 31608B | |||
| 125 | 40 | 15 | 163 | 41 | 135x110 | 105x80 | 10 | 50 | 180 | 31609B | |||
| 150 | 40 | 15 | 194 | 48 | 135x110 | 105x80 | 10 | 50 | 240 | 31613B | |||
| 180 | 50 | 20 | 239 | 65 | 135x110 | 105x80 | 12 | 60 | 350 | 31620B | |||
| 200 | 50 | 20 | 249 | 65 | 135x110 | 105x80 | 12 | 60 | 400 | 31621B | |||
| 250 | 50 | 20 | 304 | 69 | 135x110 | 105x80 | 12 | 60 | 450 | 31624B | |||
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| Symbol | Definition |
|---|---|
| Wheel diameter | |
| Tyre width | |
| Bore diameter | |
| Overall height swivel castor | |
| Offset | |
| Top plate outer dimensions | |
| Bolt hole spacing | |
| Fixing hole diameter | |
| Fork width | |
| Load capacity 4 km/h |
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