Limited Stock Clearance! Grab UNIC 330 Rotary Support Device at SUPER-LOW PRICE!

December 4, 2025

Limited Stock Clearance! Grab UNIC 330 Rotary Support Device at SUPER-LOW PRICE!

Home Blog News Limited Stock Clearance! Grab UNIC 330 Rotary Support Device at SUPER-LOW PRICE!

Deal Highlights:

✅ Limited stock: Only 50 pieces remaining

✅ Heavy discount: Well below standard market price

✅ Ideal for Vibrating Feeder Products and other industrial applications

✅ Ready for shipment—can be dispatched together with your other orders

🕒 Offer Valid Until: December 30, 2025

Don’t wait—once these are gone, they’re gone for good!

👉 Act now and secure your stock. Give your red heart and mail us: info@slewingbearings.com

Automobile Crane Slewing Bearing
Machine Type	OUTLINE DIMENSIONS			OUTER RING			INNER RING			Number teeth
Machine Type	d_i	D_a	H	H_o	n_a	B_o	H_i	n_i	B_i	Z₂	Price
tadano z 300	240	456	76	66	10	M18	54	19	φ20	74	RMB 1,299
unic 330	240	456	76	66	11	M16	54	19	φ20	74	RMB 1,299
soosan330	240	456	76	66	11	M16	54	19	φ20	74	RMB 1,299
JET 35	260	460	84	70	14	φ18	64	17	φ18	90	GET QUOTE
Kato 45	280	522	81	70	9	M20	58	23	φ21	85	GET QUOTE
unic 500	295	546	78.5	71	14	M18	61	23	φ22	89	GET QUOTE
kanglim 1256	340	594	104	89	14	M20	87	23	φ21	97	GET QUOTE
HTS1756	352	600	100	85	12	M22	79	23	φ22	98	GET QUOTE
soosan 736	352	600	99	84	12	M22	79	23	φ23	98	GET QUOTE
SS1926	369	612	90	75	16	M20	67	23	φ21	100	GET QUOTE
CSS176M	370	624	105	90	18	M20	88	23	φ22	102	GET QUOTE
SOOSAN 746	430	660	100	84	15	M22	79	23	φ23	108	GET QUOTE
Kanglim ks2056	430	660	105	85	14	M22	80	23	φ23	107	GET QUOTE
SOOSAN 915m	495	736	95	75	21	M22	75	29	φ23	90	RMB 3,200
Hiab 190	506	732	85	70	26	M20	65	16	φ22	120	GET QUOTE
Aichi 502	600	816	70	59	24	φ19	65	22	M18	134	GET QUOTE
AICHI 507	600	816	66	58	24	φ19	60	26	M18	134	GET QUOTE
DT600	608	816	58	50	30	φ18	50	29	M18	134	GET QUOTE
AICHI 705	675	863	82	58	24	M18	64	24	φ19	142	GET QUOTE
SOOSAN SCS1616	700	976	95	85	26	M22	81	35	φ22	96	RMB 4,260

📸 Shown here: Genuine UNIC 330 Rotary Support Device, well-preserved and ready to ship. Rotary Support Device #UNIC330

Frequently Asked Questions

Expert Insights and Reliable Solutions to Your Most Common Questions.

1. What types of slewing bearings does FDON GROUP provide?

FDON GROUP supplies a full range of slewing bearings to meet different industrial needs:

Single row four point contact slewing bearings Application: medium loads, precise rotation.
Double row ball bearings Application: higher radial and axial loads.
Cross roller bearings –Application: high rigidity, suitable for robots and machining centers.
Three row roller bearings – Application: extreme loads in heavy equipment.
Ball combine roller bearings –Application: precise rotational adjustment applications.
Customized bearings – tailored for specific equipment requirements.

2. How do I choose the right bearing for my application?

Typical selection parameter for FDON clients:

Load type: axial, radial, and tilting moment.

Rotation RPM: ensures long service life.

Installation space & mounting dimensions: inner/outer ring diameter, bolt circle.

Precision & rigidity requirements: critical for cranes, excavators, and robots.

FDON engineers provide professional selection guidance according to your equipment and drawings.

3. What materials does FDON GROUP use for slewing bearings?

FDON GROUP selects materials for strength, wear resistance, and long-term durability:

Slewing ring: 42CrMo, 50Mn, C45N, 40CrNiMo, C48E.

Special forging spare parts: carburized/hardened steels for gear teeth (20CrMnTi, 18CrNiMo7‑6).

Corrosion resistant: SS 304, 316L, duplex stainless steel.

Surface treatments: heat treatment, quenching, carburizing, induction hardening, and surface coating(Four-Layer Packing, Strong Anti-Rust Oil, Black Oxide Treatment, Jet Black Paint Finish, Hot-Dip Galvanizing (CGL), Electro-Galvanizing (EGL), Hot-Dip Galvanizing + Paint Finish)

4. How can FDON GROUP achieve maximum service life?

Correct installation with flat surfaces.

Proper lubrication using grease.

Avoid overloading or shock loads over capacity.

Monitor operating conditions regularly to prevent debris entry.

5. What causes abnormal noise or vibration in bearings?

Typical factors observed by FDON engineers: