NTN
55
55 × 120 × 48 mm
Load C
125 kN
Speed
1,800
Weight
1.7 kg

The NTN 51411 is a standard size thrust ball bearings with ISO dimensions 55×120×48 mm. Bearings in the 55mm bore range are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts. This is an open type, requires periodic lubrication, suitable for clean environments variant. NTN Japan — Japanese technology, consistent quality, strong in automotive and machine tool bearings — 4 equivalent brands available under ISO designation 51411.

NTNThrust Ball BearingsPre-Order 3–5 Days

NTN 51411

Thrust Ball Bearings55×120×48 mm — ISO 51411

Dimensions
Bore Diameter (d)55 mm
Outside Diameter (D)120 mm
Width (B)48 mm
Dynamic Load Rating (C)125 kN
Static Load Rating (C₀)204 kN
Limiting Speed (grease)1,800 rpm
Mass1.7 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NTN2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NTN 51411 per OEM catalog.

Bore Diameter (d)55 mm
Outside Diameter (D)120 mm
Width (B)48 mm
Dynamic Load Rating (C)125 kN
Static Load Rating (C₀)204 kN
Limiting Speed (grease)1,800 rpm
Mass1.7 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51411 — interchangeable dimensions.

BrandPart Number
NTN51411
fag51411
nsk51411
skf51411
zvl51411
nachi51411

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

Compare 51411 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NTN5141155×120×48125204Current
FAG5141155×120×48127.5View
NACHI5141155×120×48123.8View
NSK5141155×120×48125View
SKF5141155×120×48125View
ZVL5141155×120×48125View

FAQ — NTN 51411

Quick answers to common questions.

NTN 51411 có kích thước d×D×B = 55×120×48 mm theo tiêu chuẩn ISO. Đường kính trong d = 55 mm, đường kính ngoài D = 120 mm, chiều rộng B = 48 mm.

Common Applications

ManufacturingEnergy

Thrust Ball Bearings with 55mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.

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NTN 51411
55×120×48 mm
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