Home Bearing ROLLWAY 31308A Tapered Roller Bearing, Heavy Duty Single Row Roller Bearing
ROLLWAY 31308A Bearing

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

ROLLWAY Genuine Original

ROLLWAY 31308A Tapered Roller Bearing, Heavy Duty Single Row Roller Bearing
Model / Part No: 31308A Catalog ID: MB-855DA69A

Brand

ROLLWAY

Model / Part No.

31308A

Category

Bearing

Origin

Global

Availability

1310 pcs Ready to Ship
US$ 13.80 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Official proforma invoice provided for all settlements.

Cross-Brand Alternatives

SNR 31308A

SNR

31308A

US$ 10.20 View

Technical Drawings (For reference only)

Technical Drawing 1
Technical Drawing 2

Technical Specifications (For reference only)

Model / Part Number
31308-A
D
40
C
17
B
23
D1 ≈
68.2
a ≈
30
da min
71
Da max
51
Dynamic Radial Load Cr
76000
Static radial load Cor
83000
Fatigue limit load Cur (N)
9400
Mass per meter approx (kg)
0.727
Limiting speed nG (rpm)
7400
Db min
49
ra max
2
rb max
1.5
E
0.83
Interchangeable Model per ISO 355
T7FB040
X-life
-
T
25.25
r1, r2 min
2
r3, r4 min
1.5
Ca min
4
Cb min
8
Y
0.73
Y0
0.4
Reference Speed nB rpm
5200
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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