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SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008 FRAME AR-UNDERCARRIAGE

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SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008 FRAME AR-UNDERCARRIAGE

Brand Name:	TGFQ
Model Number:	E307C E307D
MOQ:	1 pc
Price:	100.00USD
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

GUANGZHOU,CHINA

Drive Type:

Hydraulic

Net Weight:

105KGS

Raceway Hardness:

55-62 HRC

Material:

50Mn / 42CrMo Alloy Steel

Supply Ability:

100PCS

Highlight:

SLEWING BEARING E307D excavator part

E307C gear & bearing swing part

148-4740 GP-SWING undercarriage frame part

Product Description

SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008 FRAME AR-UNDERCARRIAGE

This specialized excavator slewing bearing is a swing ring component designed for E307D E307C models. This rotary bearing system is engineered for heavy‑duty applications and is widely utilized in various excavator swing assemblies and turntable configurations.

Product Images

Parts Breakdown

Part Number	Part Name	Req'd Quantity
1	240-8361	Gear & Bearing GP (75-TEETH)	1
	3B-8486	Fitting-Grease (1/8-27 Ptf)	2
	240-8363	Seal-Dust	2
	148-4685	Seal (221-CM)
2	095-5498	Cap	1
3	3B-8489	Adapter (1/8-27 Ptf)	1
4	5P-4423	Elbow	1
5	5P-6011	Tube (1-M)
6	5P-4400	Connector	1
7	4I-9280	Seal	1
8	8T-4121	Washer-Hard (11X21X2.5-MM Thk)	4
9	8T-4136	Bolt (M10X1.5X25-MM)	4
10	4I-7326	Strip	1
11	099-6608	Packing	1
12	095-1299	Dowel	1
13	106-9162	Bolt (M16X2X85-MM)	67

Product Overview

Our excavator slewing bearing (also named swing ring, turntable bearing) is a core rotary component for excavators. It supports 360° smooth rotation of upper-structure, bears axial load, radial load and overturning moment during heavy-duty digging work.

This is brand-new aftermarket replacement part, 1:1 interchangeable with original OEM unit. No modification needed during field installation. Wide model coverage, compatible with various excavator models of mainstream well-known brands worldwide. Custom-made service is available for special non-standard models.

Key Features

Adopt single-row four-point contact ball structure for excavator heavy-load working condition
Raw material: 50Mn / 42CrMo forged alloy steel; rolling body: GCr15 bearing steel ball
Raceway surface induction hardened, hardness 55-62 HRC, strong wear-resistance
External gear / internal gear optional, precise gear tooth processing
Multi-lip NBR rubber seal, effectively block dust, mud, water and debris
Strict 100-percent pre-shipment inspection: dimension check, gear tooth test, rotation smoothness test
Direct replacement, matches original mounting hole layout, dimension and gear parameters

Technical Parameters

Product Name	Excavator Slewing Bearing / Swing Ring
Structure	Single-row four-point contact ball
Material	50Mn / 42CrMo Alloy Steel
Rolling Element	GCr15 Steel Ball
Raceway Hardness	55-62 HRC
Gear Type	External Gear / Internal Gear
Seal	NBR Multi-lip Rubber Seal
Model	E307C E307D
Part Number	148-4740
Warranty	6-month warranty after shipment (Exclude improper installation, overload and bad lubrication)
Lead Time	7-15 working days after deposit received
Packing	Export reinforced wooden crate

What We Need For Exact Quotation

Please provide any one of below information for accurate offer:

OEM part number
Excavator machine model
Full dimension data: Outer Diameter, Inner Diameter, Overall Height, Gear teeth quantity, mounting hole size

Our Service

Small order acceptable, 1 set for trial order
Support custom-made according to drawings or samples
Professional technical support for fitting and installation advice
Fast reply within working hours

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SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008 FRAME AR-UNDERCARRIAGE

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