NSK
40
40 × 90 × 36 mm
Load C
76 kN
Speed
2,400
Weight
0.74 kg

The NSK 51408 is a standard size thrust ball bearings with ISO dimensions 40×90×36 mm. Bearings in the 40mm 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. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 4 equivalent brands available under ISO designation 51408.

NSKThrust Ball BearingsPre-Order 3–5 Days

NSK 51408

Thrust Ball Bearings40×90×36 mm — ISO 51408

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)90 mm
Width (B)36 mm
Dynamic Load Rating (C)76 kN
Static Load Rating (C₀)118 kN
Limiting Speed (grease)2,400 rpm
Mass0.74 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NSK2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NSK 51408 per OEM catalog.

Bore Diameter (d)40 mm
Outside Diameter (D)90 mm
Width (B)36 mm
Dynamic Load Rating (C)76 kN
Static Load Rating (C₀)118 kN
Limiting Speed (grease)2,400 rpm
Mass0.74 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51408 — interchangeable dimensions.

BrandPart Number
NSK51408
fag51408
ntn51408
skf51408
zvl51408
nachi51408

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

Compare 51408 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NSK5140840×90×3676118Current
FAG5140840×90×3677.5View
NACHI5140840×90×3675.2View
NTN5140840×90×3676View
SKF5140840×90×3676View
ZVL5140840×90×3676View

FAQ — NSK 51408

Quick answers to common questions.

NSK 51408 có kích thước d×D×B = 40×90×36 mm theo tiêu chuẩn ISO. Đường kính trong d = 40 mm, đường kính ngoài D = 90 mm, chiều rộng B = 36 mm.

Common Applications

Machine toolsAutomotive

Thrust Ball Bearings with 40mm bore diameter are commonly used in CNC rotary tables, couplings, hydraulic jacks, small vertical motor shafts.

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NSK 51408
40×90×36 mm
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