NACHI
45
45 × 100 × 39 mm
Load C
89.1 kN
Speed
2,200
Weight
0.98 kg

The NACHI 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. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 4 equivalent brands available under ISO designation 51409.

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NACHI 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)89.1 kN
Static Load Rating (C₀)141.6 kN
Limiting Speed (grease)2,200 rpm
Mass0.98 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NACHI 51409 per OEM catalog.

Bore Diameter (d)45 mm
Outside Diameter (D)100 mm
Width (B)39 mm
Dynamic Load Rating (C)89.1 kN
Static Load Rating (C₀)141.6 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
NACHI51409
fag51409
nsk51409
ntn51409
skf51409
zvl51409

* 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)
NACHI5140945×100×3989.1141.6Current
FAG5140945×100×3991.8View
NSK5140945×100×3990View
NTN5140945×100×3990View
SKF5140945×100×3990View
ZVL5140945×100×3990View

FAQ — NACHI 51409

Quick answers to common questions.

NACHI 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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NACHI 51409
45×100×39 mm
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