Home Bearing HRB 7308BTN/DB Back-to-Back Duplex Angular Contact Ball Bearing
HRB 7308BTN/DB Bearing

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

HRB Genuine Original

HRB 7308BTN/DB Back-to-Back Duplex Angular Contact Ball Bearing
Model / Part No: 7308BTN/DB Catalog ID: MB-5B7CE9EC

Brand

HRB

Model / Part No.

7308BTN/DB

Category

Bearing

Origin

Global

Availability

1420 pcs Ready to Ship
US$ 12.80 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Official proforma invoice provided for all settlements.

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
23
d
40
D
90
r 1,2 min
1.5
r 3,4 min
0.60

Limiting Speed (r/min)

Oil Lubrication
8500
Grease Lubrication
6300

Bearing Designation

Bearing Code
7308BTN
Tandem arrangement DT
7308BTN/DT
Face-to-face arrangement DF
7308BTN/DF
Back-to-back arrangement DB
7308BTN/DB

Load Rating (kN)

Cor
30.30
Cr
46.30

Mounting Dimensions (mm)

r a max
1.5
d a min
49
D a max
81

Limiting Speed (Combined) (r/min)

Oil lubrication
6700
Grease lubrication
5000

Rated Load (Combined) (kN)

Cr
75.20
Cor
60.60

Weight Single Row (Reference) (kg)

Weight Single row (Reference) (kg)
0.6430

Position of Center of Pressure a (mm)

Center of pressure a (mm)
39.0

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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