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GQZ 7312BL1DB Back To Back Matched Angular Contact Bearing 60×130×31mm 40° Nylon Cage Precision Pair Bearing

Name: GQZ 7312BL1DB Back To Back Matched Angular Contact Bearing 60×130×31mm 40° Nylon Cage Precision Pair Bearing
Brand: Wuxi Guangqiang Bearing Trade Co.,Ltd
SKU: 7312BL1DB
Price: 509.10 USD
Availability: InStock

Brand Name:	GQZ
Model Number:	7312BL1DB
MOQ:	100.PCS
Price:	negotiation
Delivery Time:	5 working days
Payment Terms:	T/T,Western Union,Paypal,MoneyGram

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Certification:

ISO9001/ISO14001/GJB9001

Radial Clearance:

C0, C3, C4

Service:

OEM Customized Services,OEM / Pre- And After-sale Service,OEM Service.Design Service,OEM

Characteristic:

High Speed And High Rigidity

Model:

SL045014PP

Clearnace:

C0,C1,C2,C3,C4,C5

Bearing Series:

High Load Roller Bearings

Apilication:

Printing Machine

Grease Limited Speed:

1800

Vibration Value:

Z1 Z2 Z3

Thickness:

20 Mm

Hs Code:

8482800000

Outer Diameter D:

120 Mm

Lubrication:

Grease Or Oil

Ouside Diameter:

62mm

Application:

Machinery,Automotive,motors,dynamos,combustion Turbines

Separted:

Unseparated

Type:

Roller,cylindrical Roller Bearing,cam

Number Of Row:

Single Row,Double Row,Other,Four Row

Precision Rating:

P0 P6 P5 P4 P2,P6,P0,P5,P4

Seals Type:

Open,ZZ,Sealed,2RS,Open Or Sealed

Structure:

Cylindrical

Outside Diameter:

0 - 110 Mm,1 - 90 Mm,190 - 190.0001 Mm,61.99 - 62 Mm,0.2 - 200 Mm

Bore Size:

1 - 360 Mm,50.00 Mm,33.99 - 34 Mm,25 Mm,0 - 60 Mm

Material:

Chrome Steel,GCr15,bearing Steel,Carton Steel,GCr15/GCr15SiMn

Package:

Box,ORIGINAL PACKAGE,Cartons,SKF Single Box Package,Single Package Or Industrial Packing

Product Name:

Cylindrical Roller Bearing,BREU70/BREU(K) High Precision Roller Bearing,Factory Supply Insulated Machinery Parts Cylindrical Roller Bearing

Cage:

Steel Cage.Brass Cage.Nylon Cage,Brass,Steel,Nylon

Vibration:

V1 V2 V3,V3,Z2V2,V1,V2

Feature:

Long Life,High Precision ; Lower Noise,With Snap Ring,low Price Low Noise

Sample:

Avaliable

Cage Material:

Steel Stamping,Chrome Steel Cage,Brass Cage.Nylon Cage,steel Brass And Nylon Available

Width:

144mm,105mm,27mm,31mm

Weight:

9.3kg,1.39KG

Packaging Details:

Standard Carton Box

Supply Ability:

1000.pcs / Month

Highlight:

60×130×31mm angular contact bearing

matched pair precision bearing

nylon cage angular contact bearing

Product Description

1.Product Overview

The 7312BL1DB matched angular contact ball bearing consists of two single 7312B bearings arranged DB back-to-back, equipped with lightweight BL1 polyamide cage and 40° large contact angle.

It is widely used in precision spindles and high-speed rotary equipment requiring combined radial & bidirectional axial load support and high rigidity.

👉 Get a quote within 24 hours for your project

2.Technical Specifications

Model: 7312BL1DB
Inner Diameter (ID): 60 mm
Outer Diameter (OD): 130 mm
Single Bearing Width: 31 mm
Structure: Two single row angular contact ball bearings, DB back-to-back matched pair, 40° contact angle
Material: GCr15 chrome bearing steel
Gear Type (if any): N/A
Cage: BL1 lightweight glass fiber reinforced nylon cage
Matching Mode: DB back-to-back arrangement for high overturning rigidity
Clearance: Standard CN internal clearance
Approx Single Weight: 1.74 kg

👉 Full technical data and drawings available upon request

3.Key Advantages

40° large contact angle bears heavy bidirectional axial and combined radial loads
DB back-to-back matching structure provides strong anti-overturn rigidity for spindles
BL1 lightweight nylon cage reduces friction, realizes quiet ultra-high-speed stable rotation
Precision matched pair eliminates assembly clearance error, simplifies on-site installation
Custom design available (preload grades, special grease, OEM laser marking)
👉 Helps reduce maintenance cost and improve machine performance

4.Applications

This bearing is widely used in:

Precision machine tool spindles and grinding machine rotary assemblies
High-speed centrifugal pumps and air compressor main shafts
Printing machinery, textile high-speed rollers and robot rotary joints
Ball screw support units and precision automation rotary equipment
👉 Ideal for customers looking for reliable and long-life bearing solutions

5.Why Choose GQZ Bearing

25+ years experience in industrial bearing manufacturing
Exported to 50+ countries worldwide
Rich experience in OEM & matched paired bearing custom projects
Strict precision matching inspection before shipment
Fast response within 24 hours
Stable supply for long-term cooperation
👉 We focus on quality, reliability, and long-term partnership

6.Quality Control

Raw material hardness inspection
Precision grinding & superfinishing machining
Heat treatment metallurgy control
Contact angle, preload matching & high-speed rotation testing
Final dimensional & appearance inspection before delivery
👉 Ensuring consistent performance for every bearing set

7.Get a Quote Now

Looking for a reliable bearing supplier?

👉 Send your inquiry to get:

Fast quotation within 24 hours
Technical support from engineers
Custom matching preload solution suggestions
Competitive factory price
👉 Click “Send Inquiry” or contact us now

Wholesale High Speed Deep Groove Ball Bearings Hybrid Ceramic Ball Bearing 625 Bearings 2RS ZZ for Mechanical 1 GQZ 7312BL1DB Back To Back Matched Angular Contact Bearing 60×130×31mm 40° Nylon Cage Precision Pair Bearing

8.FAQ

Q1: Can you provide custom bearings?

Yes, we support OEM and custom matched bearing sets based on drawings or requirements.

Q2: What is your delivery time?

Standard models: 7–15 days

Custom matched preload products: depending on specifications

Q3: Do you support bulk orders?

Yes, we provide stable supply for long-term cooperation.

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