Home Bearing ROLLWAY 31306A Tapered Roller Bearing 30x72x20.75mm Single Row
ROLLWAY 31306A Bearing

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

ROLLWAY Genuine Original

ROLLWAY 31306A Tapered Roller Bearing 30x72x20.75mm Single Row
Model / Part No: 31306A Catalog ID: MB-D53A803F

Brand

ROLLWAY

Model / Part No.

31306A

Category

Bearing

Origin

Global

Availability

1750 pcs Ready to Ship
US$ 10.30 / 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 Specifications (For reference only)

Model / Part Number
31306-A
D
30
C
14
B
19
D1 ≈
54
a ≈
24
da min
55
Da max
40
Dynamic Radial Load Cr
45000
Static radial load Cor
46500
Fatigue limit load Cur (N)
5300
Mass per meter approx (kg)
0.441
Limiting speed nG (rpm)
9800
Db min
37
ra max
1.5
rb max
1.5
E
0.83
Interchangeable Model per ISO 355
T7FB030
T
20.75
r1, r2 min
1.5
r3, r4 min
1.5
Ca min
3
Cb min
6.5
Y
0.73
Y0
0.4
Reference Speed nB rpm
6500
Suffix A: Modified internal design.

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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