Home Bearing HRB 7311BTN High Performance Angular Contact Ball Bearing
HRB 7311BTN Angular Contact Ball Bearing

For reference only. Please contact us for actual product photos and detailed specifications.

HRB Genuine Original

HRB 7311BTN High Performance Angular Contact Ball Bearing
Model / Part No: 7311BTN Catalog ID: MB-1D003493

Brand

HRB

Model / Part No.

7311BTN

Category

Angular Contact Ball Bearing

Origin

Global

Availability

1700 pcs Ready to Ship
US$ 10.60 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Official proforma invoice provided for all settlements.

Cross-Brand Alternatives

WM 7311BTN

WM

7311BTN

US$ 9.60 View

Technical Drawings (For reference only)

Technical Drawing 1
Technical Drawing 2
Technical Drawing 3
Technical Drawing 4
Technical Drawing 5

Technical Specifications (For reference only)

Dimensions (mm)

B
29
d
55
D
120
r 1,2 min
2.0
r 3,4 min
1.00

Limiting Speed (r/min)

Oil Lubrication
6000
Grease Lubrication
4500

Bearing Designation

Bearing Code
7311BTN
Tandem arrangement DT
7301BTN/DT
Face-to-face arrangement DF
7301BTN/DF
Back-to-back arrangement DB
7301BTN/DB

Load Rating (kN)

Cor
56.30
Cr
78.80

Mounting Dimensions (mm)

r a max
2.0
d a min
65
D a max
110

Limiting Speed (Combined) (r/min)

Oil lubrication
48000
Grease lubrication
3600

Rated Load (Combined) (kN)

Cr
128.0
Cor
113.0

Weight Single Row (Reference) (kg)

Weight Single row (Reference) (kg)
1.4400

Position of Center of Pressure a (mm)

Center of pressure a (mm)
51.0
Suffix B: (2) Indicates a design modification, the meaning of which varies.

Logistics & Global Settlement

Tri-Regional Warehousing

Orders fulfillable from our strategic hubs in Singapore, Shanghai, and Malaysia for optimized lead times.

100% Authenticity Promise

Every component is sourced through authorized channels with strict quality control protocols.

Global Settlement

We support international trade via Bank T/T and PayPal with secure transaction monitoring.

Official Payment Channels
PayPal

Fast & Secure

Bank T/T

Wire Transfer

Commercial invoices (PI) will be issued in USD. Letter of Credit (L/C) accepted for high-volume contract orders.

Returns & Refund Policy Summary

30-Day Return Window

Request a return within 30 calendar days of receiving your shipment.

Original Condition Required

Items must be unused, uninstalled, and in original factory-sealed packaging.

Refund Processing

Full refund for seller errors; 15-20% restocking fee applies to buyer-order errors.

Trade Assurance

Shipping Origins

SG, CN, MY

Trade Terms

EXW, FOB, CIF, DDP

Certificates

CO, Form E, FTA Support

Technical Expert

Amy

"Need technical drawings (PDF/CAD) or a bulk volume quote? I'm available for immediate consultation."

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