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

The SKF 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. SKF Sweden — the gold standard in bearings, world-leading manufacturing quality — 4 equivalent brands available under ISO designation 51409.

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SKF 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
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Technical Specifications

Full specifications for SKF 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
SKF51409
fag51409
nsk51409
ntn51409
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)
SKF5140945×100×3990143Current
FAG5140945×100×3991.8View
NACHI5140945×100×3989.1View
NSK5140945×100×3990View
NTN5140945×100×3990View
ZVL5140945×100×3990View

FAQ — SKF 51409

Quick answers to common questions.

SKF 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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SKF 51409
45×100×39 mm
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