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Full-Complement Deep Groove Ball BearingsDeep Groove Ball Bearings

BL315

d 75 × D 160 × B 37 mm

The BL315 is a deep groove ball bearing with bore 75mm, outer diameter 160mm, and width 37mm rated for dynamic load 138.0 kN.

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BL315 — representative product photo
Representative product
BL315 · 75x160x37 mm

📋 Technical Specifications

Bore (d)
75mm
Outer Dia. (D)
160mm
Width (B)
37mm
Dynamic Load (Cr)
138.00 kN(138000 N)
Static Load (C0r)
116.00 kN(116000 N)
Reference Speed
4000rpm
Bearing typeDeep Groove Ball Bearings
SeriesFull-Complement Deep Groove Ball Bearings
Seal typeOpen
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

🔐 Model Code Breakdown

What each part of BL315 means.

BL
Max Capacity
BLBL = maximum-type / full-complement bearing

📋 Nominal Variants by Seal Type

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

Seal TypeModel CodeTypical Use
Double metal shieldsBL315ZZGeneral dust protectionQuote →
Double contact rubber sealsBL315 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber sealsBL315 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearanceBL315 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)75
Outer diameter (D)160
Width (B)37

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

📑 Drawings & 3D Model

BL315 bearing dimension drawing, 75 x 160 x 37 mm
BL315 dimension drawing: bore d 75 mm × outer diameter D 160 mm × width B 37 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically.
📑
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
4,000 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 75x160x37 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.

ModelRelationshipSeriesSealAction
6315Same boundary dimensions — verify fit/load6300OpenQuote →
6315 2RSSame boundary dimensions — verify fit/load6300Rubber SealsQuote →
6315 2RZSame boundary dimensions — verify fit/load6300Rubber SealsQuote →
6315 ZZSame boundary dimensions — verify fit/load6300Metal ShieldsQuote →
6315NSame boundary dimensions — verify fit/load6300OpenQuote →
6315NRSame boundary dimensions — verify fit/load6300OpenQuote →
7315Same boundary dimensions — verify fit/load73 SeriesOpenQuote →
BL315ZZConfiguration variantFull-Complement Deep Groove Ball BearingsOpenQuote →

⚙ Typical Applications

Electric motors
Fans and blowers
Pumps
Household appliances
Power tools
Office equipment
General machinery

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 BL315?
The BL315 bearing has bore (d) = 75 mm, outer diameter (D) = 160 mm, and width (B) = 37 mm.
Is there a BL315 drawing or CAD file?
Yes. The BL315 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 BL315?
Dynamic load rating (Cr) = 138.00 kN (138000 N), static load rating (C0r) = 116.00 kN.
What tolerance class is the BL315?
The standard tolerance class of the BL315 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does BL315 belong to?
The BL315 belongs to the Full-Complement Deep Groove Ball Bearings within the Deep Groove Ball Bearings category.
Can NLHB supply BL315 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 BL315 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 BL315?
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 BL315

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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