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Guangzhou Tiangong Machinery Equipment Co., Ltd.

  • China,Guangzhou ,Guangdong
  • Verified Supplier
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China SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008
China SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008

  1. China SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008
  2. China SLEWING BEARING E307D E307C 148-4740 GEAR & BEARING GP-SWING PART OF 198-2008

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

  1. MOQ: 1 pc
  2. Price: 100.00USD
  3. Get Latest Price
Raceway Hardness 55-62 HRC
Net weight 105KGS
Supply Ability 100PCS
Payment Terms T/T
Delivery Time 1-3days
Drive Type Hydraulic
Material 50Mn / 42CrMo Alloy Steel
Place of Origin GUANGZHOU,CHINA
Model Number E307C E307D
Brand Name TGFQ

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  1. Product Details
  2. Company Details

Product Specification

Raceway Hardness 55-62 HRC Net weight 105KGS
Supply Ability 100PCS Payment Terms T/T
Delivery Time 1-3days Drive Type Hydraulic
Material 50Mn / 42CrMo Alloy Steel Place of Origin GUANGZHOU,CHINA
Model Number E307C E307D Brand Name TGFQ
High Light SLEWING BEARING E307D excavator partE307C gear & bearing swing part148-4740 GP-SWING undercarriage frame part
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
Excavator slewing bearing product view Close-up view of slewing bearing components
Parts Breakdown
Slewing bearing parts breakdown diagram
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

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Trading Company

  • Year Established:

    2000

  • Total Annual:

    10 million-15 million

  • Employee Number:

    >150

  • Ecer Certification:

    Verified Supplier

TGFQ, manufacturing and trading combo, specializes in excavator gear parts and gearbox more than 20 years with professional team since 2000. After twenty years’ effort and development, now we have become one the leader manufacturers and suppliers in China.   TGFQ's main pro... TGFQ, manufacturing and trading combo, specializes in excavator gear parts and gearbox more than 20 years with professional team since 2000. After twenty years’ effort and development, now we have become one the leader manufacturers and suppliers in China.   TGFQ's main pro...

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  • Guangzhou Tiangong Machinery Equipment Co., Ltd.
  • 8-109 No.1, West Da Sha Di Road, Whampoa District, Guangzhou, China
  • https://www.gztgfq.com/

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