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Self Aligning Ball Bearing
Created with Pixso. RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment

RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment

Brand Name: GQZ /OEM
Model Number: RBY208
MOQ: 1 PCS
Price: USD 0.8-2
Delivery Time: 3-5 working days
Payment Terms: T/T,Western Union,MoneyGram
Detail Information
Place of Origin:
China
Certification:
ISO9001:2015
Seals Type:
Open
Precision Class:
PO/P6
Material:
GCr15 Chrome Bearing Steel
Outer Diameter:
80mm
Inner Diameter:
40mm
Bearing Model:
RBY208
Feature:
Self-aligning Capability, Tolerate Shaft Misalignment, Low Friction, High Speed, Stable Rotation
Width(B):
49.2mm
Packaging Details:
in individual packing box
Supply Ability:
100000 Sets per month
Product Description
RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment

RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment

Product Overview
  • RBY208 is a widely used spherical outer insert ball bearing with extended double-side inner ring and dual set screw locking structure, interchangeable with YAR208-2F standard bearing. Its overall dimension is 40×80×49.2mm, equipped with double lip rubber contact seal and relubrication port. Made of high-quality GCr15 chrome steel, this bearing features excellent self-aligning performance, stable rotation and good dust resistance. It is mainly applied to industrial conveyor systems, textile and packaging machinery, and also suitable for light-duty agricultural conveying equipment. With nearly 30 years of bearing manufacturing experience, GQZ provides sufficient stock, fast delivery and OEM customization service.

*Send inquiry to get full technical datasheet and factory price of RBY208 bearing.

Key Specifications
Parameter Item Specification
Full Model RBY208
Bearing Type Spherical Outer Insert Ball Bearing (Extended Inner Ring, Set Screw Locking)
Inner Diameter (d) 40 mm
Outer Diameter (D) 80 mm
Total Inner Ring Width 49.2 mm
Outer Ring Width 21 mm
Outer Ring Shape Spherical (Self-aligning Outer Race)
Locking Mode Two Set Screws on Inner Ring
Seal Structure Double Lip Contact Rubber Seal (2RS)
Internal Clearance C0 Normal Clearance
Material Rings & Balls: GCr15 Chrome Bearing Steel
Cage Glass Fiber Nylon Cage
Dynamic Load Rating (Cr) 30.7 kN
Static Load Rating (Cor) 19.0 kN
Limiting Speed (Grease) 4800 rpm
Approx Net Weight 0.43 kg
Main Features
  • Spherical outer ring realizes automatic alignment to offset installation misalignment and shaft deflection
  • Extended inner ring + double set screw locking, firmly fixed on shaft without slipping forward/reverse rotation
  • Double lip rubber seal effectively blocks dust and splashing water for clean workshop environments
  • Built-in grease nipple for convenient regular lubrication maintenance
  • Nylon lightweight cage, low noise, smooth running and fatigue resistant
  • Perfectly matched with all UCP/UCF/UCFL208 series cast iron bearing housings
  • ISO9001 certified production, stable quality and competitive factory wholesale price

Typical Applications
  • Industrial logistics: belt conveyors, roller conveying lines, warehouse transmission equipment
  • Light industry: textile machines, food processing, packaging and printing machinery
  • General equipment: industrial fans, small reducers, woodworking machinery
  • Compatible light agricultural machinery: grain conveyors, hay baler auxiliary rotating parts
Why Choose GQZ Bearing
  • High-purity GCr15 bearing steel with standardized heat treatment for stable hardness and wear resistance.
  • Precision ground spherical raceway ensures reliable self-aligning performance.
  • Strict dimensional inspection to guarantee consistent clearance and rotation smoothness.
  • Ready stock of 12 series self-aligning ball bearings, support sample orders and fast bulk delivery.
  • OEM laser marking and customized packaging available for global wholesale buyers.

*Contact our engineer to select precision grade and cage for your machine spindle.

RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment RBY208 Insert Ball Bearing Self-aligning 40x80x49.2mm for Textile Packaging & Farm Conveyor Equipment
FAQ

Q1: What are the dimensions of RBY208 bearing?

A: Standard size: 40mm inner diameter × 80mm outer diameter × 49.2mm total inner ring width.

Q2: What is the locking method of this bearing?

A: Fixed by two grub screws on the inner ring for shaft locking.

Q3: Can it be used together with UCP208 pillow block housing?

A: Yes, fully interchangeable and compatible with all 208 series bearing seats.

Q4: Does this bearing have dustproof seals?

A: It adopts double-sided contact rubber seals for good dust-proof performance.

Q5: Do you accept OEM customization?

A: We support custom logo, packaging, grease and precision grade adjustment.

Q6: How long is your delivery period?

A: Standard bearings in stock can be shipped out within 2-5 working days after order confirmation.

*Stable stock for thin-wall cylindrical roller bearings, support fast bulk shipment.