NACHI
90
90 × 135 × 35 mm
Load C
99 kN
Speed
1,700
Weight
1.05 kg

The NACHI 51218 is a large size thrust ball bearings with ISO dimensions 90×135×35 mm. Bearings in the 90mm 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 51218.

NACHIThrust Ball BearingsPre-Order 3–5 Days

NACHI 51218

Thrust Ball Bearings90×135×35 mm — ISO 51218

Dimensions
Bore Diameter (d)90 mm
Outside Diameter (D)135 mm
Width (B)35 mm
Dynamic Load Rating (C)99 kN
Static Load Rating (C₀)164.3 kN
Limiting Speed (grease)1,700 rpm
Mass1.05 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NACHI2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NACHI 51218 per OEM catalog.

Bore Diameter (d)90 mm
Outside Diameter (D)135 mm
Width (B)35 mm
Dynamic Load Rating (C)99 kN
Static Load Rating (C₀)164.3 kN
Limiting Speed (grease)1,700 rpm
Mass1.05 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51218 — interchangeable dimensions.

BrandPart Number
NACHI51218
fag51218
nsk51218
ntn51218
skf51218
zvl51218

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

Compare 51218 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI5121890×135×3599164.3Current
FAG5121890×135×35102View
NSK5121890×135×35100View
NTN5121890×135×35100View
SKF5121890×135×35100View
ZVL5121890×135×35100View

FAQ — NACHI 51218

Quick answers to common questions.

NACHI 51218 có kích thước d×D×B = 90×135×35 mm theo tiêu chuẩn ISO. Đường kính trong d = 90 mm, đường kính ngoài D = 135 mm, chiều rộng B = 35 mm.

Common Applications

ManufacturingEnergy

Thrust Ball Bearings with 90mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.

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NACHI 51218
90×135×35 mm
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