NACHI
75
75 × 135 × 44 mm
Load C
128.7 kN
Speed
1,500
Weight
1.75 kg

The NACHI 51315 is a standard size thrust ball bearings with ISO dimensions 75×135×44 mm. Bearings in the 75mm 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 51315.

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NACHI 51315

Thrust Ball Bearings75×135×44 mm — ISO 51315

Dimensions
Bore Diameter (d)75 mm
Outside Diameter (D)135 mm
Width (B)44 mm
Dynamic Load Rating (C)128.7 kN
Static Load Rating (C₀)213.8 kN
Limiting Speed (grease)1,500 rpm
Mass1.75 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for NACHI 51315 per OEM catalog.

Bore Diameter (d)75 mm
Outside Diameter (D)135 mm
Width (B)44 mm
Dynamic Load Rating (C)128.7 kN
Static Load Rating (C₀)213.8 kN
Limiting Speed (grease)1,500 rpm
Mass1.75 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 51315 — interchangeable dimensions.

BrandPart Number
NACHI51315
fag51315
nsk51315
ntn51315
skf51315
zvl51315

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

Compare 51315 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
NACHI5131575×135×44128.7213.8Current
FAG5131575×135×44132.6View
NSK5131575×135×44130View
NTN5131575×135×44130View
SKF5131575×135×44130View
ZVL5131575×135×44130View

FAQ — NACHI 51315

Quick answers to common questions.

NACHI 51315 có kích thước d×D×B = 75×135×44 mm theo tiêu chuẩn ISO. Đường kính trong d = 75 mm, đường kính ngoài D = 135 mm, chiều rộng B = 44 mm.

Common Applications

ManufacturingEnergy

Thrust Ball Bearings with 75mm bore diameter are commonly used in vertical ball screws, large CNC rotary tables, heavy jacks, vertical pump shafts.

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NACHI 51315
75×135×44 mm
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