NSK
45
45 × 100 × 39 mm
Load C
90 kN
Speed
2,200
Weight
0.98 kg

The NSK 51409 is a standard size thrust ball bearings with ISO dimensions 45×100×39 mm. Bearings in the 45mm 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. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 4 equivalent brands available under ISO designation 51409.

NSKThrust Ball BearingsPre-Order 3–5 Days

NSK 51409

Thrust Ball Bearings45×100×39 mm — ISO 51409

Dimensions
Bore Diameter (d)45 mm
Outside Diameter (D)100 mm
Width (B)39 mm
Dynamic Load Rating (C)90 kN
Static Load Rating (C₀)143 kN
Limiting Speed (grease)2,200 rpm
Mass0.98 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK 51409 per OEM catalog.

Bore Diameter (d)45 mm
Outside Diameter (D)100 mm
Width (B)39 mm
Dynamic Load Rating (C)90 kN
Static Load Rating (C₀)143 kN
Limiting Speed (grease)2,200 rpm
Mass0.98 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51409 — interchangeable dimensions.

BrandPart Number
NSK51409
fag51409
ntn51409
skf51409
zvl51409
nachi51409

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

Compare 51409 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK5140945×100×3990143Current
FAG5140945×100×3991.8View
NACHI5140945×100×3989.1View
NTN5140945×100×3990View
SKF5140945×100×3990View
ZVL5140945×100×3990View

FAQ — NSK 51409

Quick answers to common questions.

NSK 51409 có kích thước d×D×B = 45×100×39 mm theo tiêu chuẩn ISO. Đường kính trong d = 45 mm, đường kính ngoài D = 100 mm, chiều rộng B = 39 mm.

Common Applications

ManufacturingEnergy

Thrust Ball Bearings with 45mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.

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NSK 51409
45×100×39 mm
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