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4 in-stock alternatives found — cross-referenced equivalents ready to ship:








Deep Groove Ball Bearing


Deep Groove Ball Bearing
Thin-section open bearing designed for applications where space and weight are critical factors.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
This bearing is priced on application. Our team will get back to you with competitive pricing within 24 hours, no obligation.
Thin-section open bearing designed for applications where space and weight are critical factors.
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Confirm these values match your shaft, housing and application requirements before ordering.
| Bore Diameter (d) | 20mm |
| Outer Diameter (D) | 37mm |
| Width (B) | 8mm |
| Weight | 0.05kg |
| Dynamic Load Rating (Cr) | 7.9kN |
| Static Load Rating (C0r) | 4.5kN |
| Reference Speed | 15000rpm |

Deep Groove Ball Bearing
| Part Number | 16004 |
| Brand | Nachi |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Material | Chrome Steel |
| Cross-Reference | 16004ZZ, 16004-C3 |
| Bore (Inner Diameter) | 20 mm |
| Outer Diameter | 37 mm |
| Width / Thickness | 8 mm |
| Dynamic Load Rating (Cr) | 7.9 kN |
| Static Load Rating (C0r) | 4.5 kN |
| Reference Speed | 15,000 rpm |
| Approximate Weight | 0.05 kg |
Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.
Download full specifications for 16004 — dimensions, load ratings, and material data.
Equivalent part numbers from other manufacturers that can be used as direct replacements for 16004.
Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.
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The Nachi 16004, is a deep groove ball bearing, in an open configuration for maximum speed and easy relubrication, featuring a 20mm bore, 37mm outer diameter, and 8mm width, manufactured from chrome steel, and is extended stock at Buy Bearings.
Thin-section open bearing designed for applications where space and weight are critical factors.
The 16004 deep groove ball bearing is specified with 20mm bore (inner diameter), 37mm outer diameter, 8mm width, 7.9kN dynamic load rating, 4.5kN static load rating, 15,000rpm reference speed, 0.05kg approximate weight. The Open sealing arrangement protects against contamination and retains lubricant for extended service life. The chrome steel construction provides excellent wear resistance and durability in demanding operating conditions.
Deep Groove Ball Bearings are commonly used in:
Deep groove ball bearings are the most widely used bearing type, capable of carrying both radial and axial loads in either direction. Their low friction and high speed capability makes them suitable for a broad range of applications from electric motors to household appliances.
The 16004 is a Nachi Deep Groove Ball Bearing with a 20mm bore, 37mm outer diameter and 8mm width. It is Extended Stock at Buy Bearings.
The 16004 measures 20mm bore (inner diameter) × 37mm outer diameter × 8mm width.
Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.
The 16004 is interchangeable with 16004ZZ, 16004-C3. Contact our team to confirm an exact equivalent for your application.
The 16004 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).
Same deep groove ball bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.








Matching seals and bushings for 20mm shaft diameter — complementary components for your bearing.







