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Linear Ball Bearing
Created with Pixso. 12mm Shaft Diameter Flanged Linear Bearing with Oval Flange Mounting and Dual-Lip Rubber Seals for CNC Machinery

12mm Shaft Diameter Flanged Linear Bearing with Oval Flange Mounting and Dual-Lip Rubber Seals for CNC Machinery

Brand Name: GQZ or OEM
Model Number: LMH12
MOQ: 2
Price: 8-12 USD
Delivery Time: 5-7 working days after payment
Payment Terms: T/T
Detail Information
Place of Origin:
Jiangsu, China
Product Name:
Flanged Linear Bearing
Model:
LMH12
Application:
3D Printers & Laser Engravers, CNC Routers & Automation Stages, Packaging & Textile Equipment
Packaging Details:
Standard Export Packaging
Supply Ability:
30000 pieces per month
Highlight:

12mm Shaft Diameter Flanged Linear Bearing

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Oval Flange Mounting Linear Motion Bushing

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Dual-Lip Rubber Seals Flanged Linear Bearing

Product Description
Product Overview

The LMH12 Oval Flanged Linear Bearing is engineered to deliver smooth, high-precision linear motion along 12mm cylindrical shafts. It is widely used in compact automation machinery, 3D printers, and CNC guide rails where side-space is limited and a secure, bolt-on flange mounting configuration is required.

Key Advantages
  • Space-saving oval flange layout allowing close-parallel mounting on flat structural surfaces
  • Ultra-smooth ball recirculating matrix ensuring low friction coefficient and minimal driving torque
  • Integrated dual-lip rubber seals providing ultimate lockout against dust, debris, and grease leakage
  • High-grade carbon chromium bearing steel core delivering exceptional wear resistance under continuous cycling
Technical Specifications
Model LMH12 (Standard Metric Flanged Series)
Inner Diameter (Shaft Diameter) 12 mm
Outer Diameter (OD) 21 mm
Total Length (L) 30 mm
Flange Thickness (H) 6 mm
Flange Width (D1/W) 32 mm (Total side-to-side span: 42 mm)
Structure Linear Motion Ball Bushing with Two-Cut Oval Flange
Ball Rows 4 Rows of recirculating steel balls
Material High-Carbon Chromium Bearing Steel (GCr15) Inner Shell & Steel Retainer
Product Gallery
LMH12 oval flanged linear bearing with 12mm bore and bolt-on flange mounting
Close-up view of LMH12 linear bearing dual-lip rubber seals and steel retainer
LMH12 flanged linear bushing side profile showing 30mm length and 21mm outer diameter
LMH12 oval flange linear bearing mounted on a 12mm hardened linear shaft
Frequently Asked Questions
Q1: Can you provide custom bearings?

Yes, we support comprehensive OEM/ODM configurations. We can supply specialized stainless steel variations (LMH12-MG), long-body variants (LMH12LUU), or high-temperature resin retainers according to your specifications.

Q2: What is the main benefit of the LMH oval flange compared to the LMK square flange?

The LMH series features a two-side cut oval design. By trimming the unnecessary edges, it allows for significantly closer mounting in tight spaces or parallel multi-shaft configurations where square LMK flanges would overlap.

Q3: Does the LMH12 require specialized shafts?

For maximum performance and life, we highly recommend pairing the LMH12 with high-precision, induction-hardened, and ground linear shafts (SF12 or W12 series) with a surface hardness of HRC60-64.

Q4: Do you support bulk orders?

Yes, we maintain a highly stable inventory of popular metric linear guide series to fulfill high-volume wholesale requirements, offering tailored bulk export cartons and factory-direct volume tier discounts.