NTN
90
90 × 135 × 35 mm
Load C
100 kN
Speed
1,700
Weight
1.05 kg

The NTN 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. NTN Japan — Japanese technology, consistent quality, strong in automotive and machine tool bearings — 4 equivalent brands available under ISO designation 51218.

NTNThrust Ball BearingsPre-Order 3–5 Days

NTN 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)100 kN
Static Load Rating (C₀)166 kN
Limiting Speed (grease)1,700 rpm
Mass1.05 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
Genuine NTN2–4h delivery in cityFree technical support

Technical Specifications

Full specifications for NTN 51218 per OEM catalog.

Bore Diameter (d)90 mm
Outside Diameter (D)135 mm
Width (B)35 mm
Dynamic Load Rating (C)100 kN
Static Load Rating (C₀)166 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
NTN51218
fag51218
nsk51218
skf51218
zvl51218
nachi51218

* 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)
NTN5121890×135×35100166Current
FAG5121890×135×35102View
NACHI5121890×135×3599View
NSK5121890×135×35100View
SKF5121890×135×35100View
ZVL5121890×135×35100View

FAQ — NTN 51218

Quick answers to common questions.

NTN 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.

Need a Quote for NTN 51218?

Engineers ready for bearing selection, cross-reference, and same-day quotation.

NTN 51218
90×135×35 mm
Quote