NLHB BEARINGS
SGTrack Roller Bearings

SG28

d 12 × D 35 × B 16 mm

The SG28 is a track roller bearing with bore 12mm, outer diameter 35mm, and width 16mm rated for dynamic load 8.5 kN.

SG28 — representative product photo
Representative product
SG28 · 12x35x16 mm

📋 Technical Specifications

Bore (d)
12mm
Outer Dia. (D)
35mm
Width (B)
16mm
Dynamic Load (Cr)
8.50 kN(8500 N)
Static Load (C0r)
5.10 kN(5100 N)
Reference Speed
7000rpm
Bearing typeTrack Roller Bearings
SeriesSG
Seal type2RS (rubber seals) or ZZ (metal shields)
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)12
Outer diameter (D)35
Width (B)16
Rail diameter (dw)6
Rail center diameter (A)37

Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.

📑 Drawings & 3D Model

SG28 bearing dimension drawing, 12 x 35 x 16 mm
SG28 dimension drawing: bore d 12 mm × outer diameter D 35 mm × width B 16 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Supplied sealed: 2RS (rubber seals) or ZZ (metal shields). Runs on a Ø6 mm rail; rail center diameter A 37 mm.
📑
2D Drawing (PDF)
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📐
2D DXF File
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📅
3D STEP Model
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The PDF drawing is free to download. DXF and 3D STEP files are sent on request: tell us the model and your application, and we reply with the CAD files.

⚡ Source-Data Reference Speed

Catalog reference
7,000 rpm

Lubrication method and application speed limit are confirmed per inquiry; no oil-speed value is derived from this number.

⇄ Same-size Bearings & Reference Options

The models below share the 12x35x16 mm boundary dimensions. Matching d/D/B alone does not prove interchangeability; verify seals, clearance, ring features, load ratings, fits, and application conditions before replacement.

No other catalog models share the same boundary dimensions.

🔄 Related Models

Same bearing family or similar dimensions.

Similar size — reference only, verify all interfaces

⚙ Typical Applications

Linear guide systems
Conveyor systems
Cam followers
Automated machinery
Packaging equipment
Robotics

Why choose NLHB?

NLHB supports both in-house manufacturing and qualified partner sourcing. We confirm the specification, supply route, inspection requirements, and available documentation before quotation.

About NLHB →
4,300+
Models
15+
Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of SG28?
The SG28 bearing has bore (d) = 12 mm, outer diameter (D) = 35 mm, and width (B) = 16 mm.
Is there a SG28 drawing or CAD file?
Yes. The SG28 dimension drawing (PDF) is free to download on this page. DXF and 3D STEP files are sent on request: tell us the model and your application.
What is the load rating of SG28?
Dynamic load rating (Cr) = 8.50 kN (8500 N), static load rating (C0r) = 5.10 kN.
What tolerance class is the SG28?
The standard tolerance class of the SG28 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does SG28 belong to?
The SG28 belongs to the SG within the Track Roller Bearings category.
Can NLHB supply SG28 equivalents from other brands?
Depending on the model and order requirements, NLHB may manufacture in-house or source through qualified partner factories. Interchange and supply route are confirmed against your specification before quotation. All trademarks belong to their respective owners.
How do I order SG28 from NLHB?
Click "Request Quote" and send us your quantity, application, and required specifications. We review the specification, supply route, lead time, and pricing before issuing a quotation. Response time depends on specification complexity.
What materials are available for SG28?
Material grade is confirmed per inquiry. Availability depends on the model, quantity, application, and whether the order is manufactured in-house or sourced through a qualified partner factory. Material certificates or inspection documents are confirmed before quotation when required.

Get a quote for SG28

Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.

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