Technical Specifications — ISO 04B-1 Sprocket
| Parametr |
Simplex Value |
Chain Ref. |
Unit |
| Poziom |
6.000 |
DIN 8187 04B |
mm |
| Średnica rolki Φ |
4.0 |
04B-1 chain |
mm |
| Szerokość zęba B₁ |
2.8 |
— |
mm |
| Teeth Range (Z) |
8 – 125 |
Simplex |
— |
| Outer Dia. Z=8 |
18.0 / 15.67 |
de / dp |
mm |
| Outer Dia. Z=125 |
241.2 / 238.75 |
de / dp |
mm |
| Hub Width (W, large Z) |
30 |
— |
mm |
| Tworzywo |
C45 / Cast Iron |
— |
— |
| Twardość zęba |
HRC 50–60 |
Induction Hardened |
— |
| Standard |
ISO 606 / DIN 8187 |
— |
— |
Cechy i zalety
Compact 6 mm Pitch
Enables tighter centre distances than 8 mm or 9.525 mm pitch variants, perfect for space-constrained machine designs.
Grade 6 Machining Accuracy
CNC hobbing to DIN 8190 Grade 6 ensures smooth chain engagement even at elevated RPM and under reversing loads.
️
Dual-Strand Duplex Option
04B-2 duplex sprocket doubles torque capacity in the same shaft space — ideal for step-up applications on compact gearbox outputs.
Global Standard Compliance
Certified to ISO 606, DIN 8187, and BS/JIS equivalent for seamless integration with imported European or Japanese equipment.
Compatibility & Selection
Designed for ISO 04B-1 roller chain (pitch 6.000 mm, inner width 2.80 mm, roller Φ 4.0 mm). Bore options: pilot bore (as-cast), stock bore, or custom finished bore with keyway. Shaft range 6–32 mm. Browse our full ISO sprocket range or request a selection guide from our team.
Material & Process
Material: C45 medium-carbon steel. Heat treatment: Tooth-flank induction hardening — surface HRC 50–60, core 28–34 HRC. Deformation: ≤0.05 mm post-quench, corrected by precision grinding where required. Surface options: Black oxide (standard), dacromet, zinc-nickel, or stainless on request.
Aplikacje
Automation Systems
Compact drives in pick-and-place robots and assembly automation
Packaging Machinery
Indexing drives on carton formers, fillers and labellers
Food Processing
Small conveyor drives in portion-controlled food lines
Scientific Instruments
Precision positioning stages and laboratory automation
Opinie klientów
Sarah M. ★★★★★ Australia
“We switched to Ever-power 04B sprockets on our packaging line — measurable reduction in chain noise and vibration. Highly recommended.”
ISO 04B-1 Z=21 · April 2025
Luca B. ★★★★★ Italy
“Perfect conformance to DIN 8187. We cross-checked with callipers across 50 pieces — zero out-of-tolerance parts.”
ISO 04B-1 Z=17 · February 2025
Chen W. ★★★★☆ Singapore
“Fast delivery, good packaging. Product matches specs. Would appreciate more finish options without extra lead time.”
ISO 04B-2 Duplex Z=19 · December 2024
Erik N. ★★★★★ Niemcy
“Exceptional surface quality and dimensional consistency. These replaced a premium European brand at a fraction of the cost without any compromise.”
ISO 04B-1 Z=25 · March 2025
Często zadawane pytania
► Is the ISO 04B-1 sprocket the same as the ANSI #25 sprocket?
No. ISO 04B-1 has a 6.000 mm pitch, while ANSI #25 has a 6.350 mm pitch (1/4 inch). They are not interchangeable — always verify the chain pitch before ordering.
► Can I use a 04B-2 (duplex) sprocket with a simplex chain?
No. Duplex chain must be used with duplex sprockets. Mixing strand counts will cause the chain to ride incorrectly on the sprocket teeth and will result in rapid wear or chain jumping.
► What is the maximum shaft diameter for a 04B-1 Z=10 sprocket?
A standard Z=10 stock bore is typically 12–18 mm depending on the hub style. Custom finished bores are available to your specified diameter with 5–7 day lead time.
► Do you supply platewheels (flat plate type) for 04B?
Yes. ISO 04B-1 platewheels (without hub, suitable for welding to shafts or discs) are available in our range. Contact our sales team for dimensions and pricing.
► What lubrication is recommended for 04B drives?
For speeds below 100 rpm, manual brush lubrication with ISO VG 68–100 oil. Above 100 rpm, drip lubrication or bath lubrication is preferred. For sealed or food applications, use NSF H1 approved grease.
Installation & Maintenance
- Confirm shaft and bore dimensions; clean contact surfaces with solvent.
- Align mating sprockets within 0.5° angular misalignment and 1 mm lateral offset.
- Set chain tension with 2% sag on the slack side relative to centre distance.
- Torque set-screws to the manufacturer specification stamped on the hub.
- Check alignment and tension after 4 hours of initial operation.
Standards & Certifications
✓ ISO 9001:2015✓ ANSI B29.1✓ ISO/DIN 8187✓ JIS B 1801✓ Normy BS/DIN✓ Normy brytyjskie
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