NTN
100
100 × 135 × 25 mm
Load C
73.5 kN
Speed
2,000
Weight
0.75 kg

The NTN 51120 is a large size thrust ball bearings with ISO dimensions 100×135×25 mm. Bearings in the 100mm 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 51120.

NTNThrust Ball BearingsPre-Order 3–5 Days

NTN 51120

Thrust Ball Bearings100×135×25 mm — ISO 51120

Dimensions
Bore Diameter (d)100 mm
Outside Diameter (D)135 mm
Width (B)25 mm
Dynamic Load Rating (C)73.5 kN
Static Load Rating (C₀)118 kN
Limiting Speed (grease)2,000 rpm
Mass0.75 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NTN 51120 per OEM catalog.

Bore Diameter (d)100 mm
Outside Diameter (D)135 mm
Width (B)25 mm
Dynamic Load Rating (C)73.5 kN
Static Load Rating (C₀)118 kN
Limiting Speed (grease)2,000 rpm
Mass0.75 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51120 — interchangeable dimensions.

BrandPart Number
NTN51120
fag51120
nsk51120
skf51120
zvl51120
nachi51120

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

Compare 51120 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NTN51120100×135×2573.5118Current
FAG51120100×135×2575View
NACHI51120100×135×2572.8View
NSK51120100×135×2573.5View
SKF51120100×135×2573.5View
ZVL51120100×135×2573.5View

FAQ — NTN 51120

Quick answers to common questions.

NTN 51120 có kích thước d×D×B = 100×135×25 mm theo tiêu chuẩn ISO. Đường kính trong d = 100 mm, đường kính ngoài D = 135 mm, chiều rộng B = 25 mm.

Common Applications

ManufacturingEnergy

Thrust Ball Bearings with 100mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.

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NTN 51120
100×135×25 mm
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