SKF
⌀20
20 × 40 × 14 mm
Load C
19 kN
Speed
5,600
Weight
0.07 kg

The SKF 51204 is a small size thrust ball bearings with ISO dimensions 20×40×14 mm. Bearings in the 20mm bore range are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts. This is an open type, requires periodic lubrication, suitable for clean environments variant. SKF Sweden — the gold standard in bearings, world-leading manufacturing quality — 4 equivalent brands available under ISO designation 51204.

SKFThrust Ball BearingsPre-Order 3–5 Days

SKF 51204

Thrust Ball Bearings — 20×40×14 mm — ISO 51204

Dimensions
Bore Diameter (d)20 mm
Outside Diameter (D)40 mm
Width (B)14 mm
Dynamic Load Rating (C)19 kN
Static Load Rating (C₀)25.5 kN
Limiting Speed (grease)5,600 rpm
Mass0.07 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine SKF2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for SKF 51204 per OEM catalog.

Bore Diameter (d)20 mm
Outside Diameter (D)40 mm
Width (B)14 mm
Dynamic Load Rating (C)19 kN
Static Load Rating (C₀)25.5 kN
Limiting Speed (grease)5,600 rpm
Mass0.07 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51204 — interchangeable dimensions.

BrandPart Number
SKF51204
fag51204
nsk51204
ntn51204
zvl51204
nachi51204

* C/C₀ may vary ±5% across manufacturers.

Compare 51204 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
SKF5120420×40×141925.5Current
FAG5120420×40×1419.4—View
NACHI5120420×40×1418.8—View
NSK5120420×40×1419—View
NTN5120420×40×1419—View
ZVL5120420×40×1419—View

FAQ — SKF 51204

Quick answers to common questions.

SKF 51204 có kích thước d×D×B = 20×40×14 mm theo tiêu chuẩn ISO. Đường kính trong d = 20 mm, đường kính ngoài D = 40 mm, chiều rộng B = 14 mm.

Common Applications

Machine toolsAutomotive

Thrust Ball Bearings with 20mm bore diameter are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts.

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SKF 51204
20×40×14 mm
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