NLHB BEARINGS
TractorsAgricultural Bearingscross-ref: SKF

31320 X

d 100 × D 215 × B 56.5 mm

The 31320 X is an agricultural bearing with bore 100mm, outer diameter 215mm, and width 56.5mm rated for dynamic load 399.0 kN.

31320 X — representative product photo
Representative product
31320 X · 100x215x56.5 mm

📋 Technical Specifications

Bore (d)
100mm
Outer Dia. (D)
215mm
Width (B)
56.5mm
Dynamic Load (Cr)
399.00 kN(399000 N)
Static Load (C0r)
465.00 kN(465000 N)
Reference Speed
3000rpm
Bearing typeAgricultural Bearings
SeriesTractors
Seal typeConfirm per inquiry
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

📋 Nominal Variants by Seal Type

Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.

Seal TypeModel CodeTypical Use
Open31320 (inquiry only)High speed in clean environmentsQuote →
Double metal shields31320 ZZ (inquiry only)General dust protectionQuote →
Double contact rubber seals31320 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber seals31320 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearance31320 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)100
Outer diameter (D)215
Width (B)56.5

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

📑 Drawings & 3D Model

📑
2D Drawing
Request drawing →
📅
3D STEP Model
Request STEP →
🔎
CAD File
Request CAD →

Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).

Source-Data Reference Speed

Catalog reference
3,000 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 100x215x56.5 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.

Same model family — dimensions may differ

Typical Applications

Tractors
Harvesters
Tillage equipment
Planters and seeders
Implements and attachments
Round balers

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 →
4,315
Catalog Models
15+
Years
RFQ
Specification Confirmed

Frequently Asked Questions

What are the dimensions of 31320 X?
The 31320 X bearing has bore (d) = 100 mm, outer diameter (D) = 215 mm, and width (B) = 56.5 mm.
What is the load rating of 31320 X?
Dynamic load rating (Cr) = 399.00 kN (399000 N), static load rating (C0r) = 465.00 kN.
What bearing series does 31320 X belong to?
The 31320 X belongs to the Tractors within the Agricultural Bearings category.
Can NLHB supply 31320 X 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 31320 X 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 31320 X?
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 31320 X

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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