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Cylindrical Roller Bearing
Created with Pixso. GQZ NU312 Single Row Open Cylindrical Roller Bearing 60×130×31mm Floating Design With Bidirectional Axial Slide

GQZ NU312 Single Row Open Cylindrical Roller Bearing 60×130×31mm Floating Design With Bidirectional Axial Slide

Brand Name: GQZ
Model Number: NU312
MOQ: 100.PCS
Price: negotiation
Delivery Time: 5 working days
Payment Terms: T/T,Western Union,Paypal,MoneyGram
Detail Information
Place of Origin:
CHINA
Certification:
ISO9001/ISO14001/GJB9001
Sample:
Acceptable
Width:
Varies (e.g., 14mm, 15mm, 16mm)
Clearance:
C1 C2 C0 C3 C4
Sealingtype:
Open, Sealed, Shielded
Greese:
As You Requirement, Such As SRL ,PS2, A
Gross Weight:
12.11kg
Inner Diameter:
70mm
Bearings:
BDZ45-3
Precisiongrade:
Standard (P0), ABEC 1, ABEC 3, ABEC 5
Sealing Solutions:
Seal On One Side Or Seal On Both Sides
Thickness:
35mm
Type Name:
694
Original:
Wuxi
Rollingelement:
Cylindrical Rollers
Structure:
Cylindrical
Feature:
Long Life
Seal:
Sealed Or Open
Lubrication:
Grease Or Oil
Customers:
COMA,Sumsung,etc
Lead Time:
Within 3 Days
Number Of Row:
Single Line
Aligning:
Non-Aligning Bearing
Size:
65 × 120 × 31 Mm
Precision Rating:
P6,P5,P4,P2,P1,P0
Inside Diameter:
95mm
Productname:
Cylindrical Roller Bearing
Accuracy Class:
P0
Precision Degree:
P6,P5,P4
Mountingtype:
Press Fit Or Slip Fit
Certifiexcavatorion:
ISO:9001
Bore Size:
40mm
Loadtype:
Radial And Axial Load
Item:
Angular Contact Ball Bearing 7213ACM
Character:
Single Row , Brass Cage
Bore Hole:
Taper Bore
Seal Type:
Open Or Seals
Oringin:
Wuxi China
Contactangle:
15° To 40°
Cagematerial:
Steel, Brass, Or Polyamide
Noise Level:
Z1,Z2,Z3,Z4
Bore Siz:
12 - 100 Mm
Stock Qty:
820.pcs
Origin:
Wuxi
Characteristic:
High Speed And High Rigidity
Noise:
Z1,Z2,Z3
Temperature:
S0, S1, S2, S3
Oem:
Available
Height:
80 Mm
Outerdiameter:
Varies (e.g., 47mm, 52mm, 62mm)
Outerring:
Single Or Double Rib
Port:
Shanghai /Shenzhen
Mark:
Part Number+Brand
Precision:
P0,P6,P5,P4,P2
Material:
Alloy Steel CC Steel Cage/CA Copper Cage
Dimension:
130*180*50mm
Row Number:
Double Row
Applications:
Electric Motors, Gearboxes, Machine Tools
Outer Ring:
Single Or Double Ribbed
Mass:
22kgs
Vibration:
Z1V1, Z2V2, Z3V3
Seals Type:
Open
Rolling Element:
Cylindrical Rollers
Packaging Details:
Standard Carton Box
Supply Ability:
1000.pcs / Month
Product Description
1. Product Overview

NU312 is single row cylindrical roller bearing with double ribs on outer ring and ribless inner ring. This floating construction permits limited bidirectional axial displacement between shaft and housing. It delivers excellent heavy radial load capacity and operates reliably under continuous medium-high speed conditions. Open design supports convenient re-lubrication for long-cycle production machinery. Widely used on industrial gearboxes, screw air compressors, mining fans and heavy-duty transmission assemblies.

Formal quotation will be sent within 24 hours upon your inquiry.

2. Technical Specifications
Model:
NU312
Dimensions:
d60 mm, D130 mm, B31 mm
Net weight:
approx 1.80 kg
Structure:
Single row cylindrical roller bearing
Material:
GCr15 bearing steel; pressed steel or machined brass cage optional
Structural feature:
Floating unit, inner ring separable for installation
Optional version:
NU312E reinforced upgraded structure available

Complete dimension drawings and load data available on request.

3. Core Advantages
  1. Floating structure compensates thermal expansion and axial shaft movement
  2. High dynamic load rating adapts to continuous heavy-duty running
  3. Separable inner ring simplifies assembly, inspection and replacement
  4. Low friction raceway grinding reduces heat generation and vibration
  5. Standard ISO metric dimension for global aftermarket interchange
  6. Customizable: OEM laser marking, high-temperature special grease
4. Application Scenarios
  • Screw air compressor rotor supporting assemblies
  • Heavy-duty industrial gearboxes and reduction drive units
  • Cement, mining and metallurgical main transmission shafts
  • Large industrial blowers, fans and centrifugal machinery
  • Equipment requiring floating bearing layout to release axial stress
5. Why Choose GQZ Bearing
  • 25 years professional bearing manufacturer, products exported globally.
  • Strict raw material inspection and precision grinding process.
  • 24-hour technical support for model selection.
  • Ample stock for machinery distributors.
  • Precise dimensions and stable service performance.
6. Quality Control Process
  • GCr15 raw material quenching & tempering treatment
  • Precision superfinishing for bearing raceways and cylindrical rollers
  • Cage fitting and internal clearance inspection
  • Dimension tolerance and rotational performance testing
7. Request Quotation

If you need NU312 cylindrical roller bearings:

Send inquiry to obtain below supports:

  • Quick quotation within 24 hours
  • Reinforced NU312E version consultation
  • Competitive factory direct price
  • Contact our sales team for full datasheets and formal offer.

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8. FAQ
Q1: Main dimensions of NU312?
60×130×31 mm single row cylindrical roller bearing.
Q2: Structural feature of NU type?
Outer ring double ribs, inner ring no ribs, allows bidirectional axial sliding.
Q3: Installation tip?
Suitable for positions where thermal elongation of shaft needs compensation.