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RBY209 is an extended double-side inner ring spherical insert ball bearing with dual set screw locking structure, interchangeable with YAR209-2F standard bearing, overall dimension 45×85×52.2mm. Equipped with double lip rubber seal and relubriion grease nipple, it features reliable dustproof performance and excellent self-aligning capacity via spherical outer ring. Made of high-quality GCr15 bearing steel, it runs stably under medium load conditions.It is egorized under Self Aligning Ball Bearing group only for store classifiion management; its physical structure differs from standard double row self-aligning ball bearings. Mainly used for industrial conveyor systems, textile and packaging machinery, also applicable to light-duty agricultural conveying equipment. Backed by nearly 30 years bearing manufacturing experience, GQZ provides sufficient stock, fast delivery and OEM customization.
*Send inquiry to get full technical datasheet and factory price of RBY209 bearing.
Key Specifiions
Parameter Item
Specifiion
Full Model
RBY209
Bearing Type
Extended Inner Ring Spherical Insert Ball Bearing (Set Screw Lock)
Inner Bore (d)
45 mm
Outer Diameter (D)
85 mm
Total Inner Ring Width
52.2 mm
Outer Ring Width
22 mm
Outer Ring
Spherical outer surface (self-aligning)
Locking Method
Double set screws on inner ring
Seal
Double lip rubber contact seal (2RS dust & splash proof)
Internal Clearance
C0 Normal Clearance
Material
GCr15 Chrome Bearing Steel
Cage
Nylon Cage
Dynamic Load Rating (Cr)
33.8 kN
Static Load Rating (Cor)
22.8 kN
Limiting Speed (Grease Lubriion)
4500 rpm
Approx Net Weight
0.52 kg
Main Features
Spherical outer ring compensates installation misalignment and shaft deflection automatically
Extended inner ring + two grub screws firmly lock shaft, no slipping during forward & reverse rotation
Double lip contact seal blocks dust and splashing water effectively
Grease nipple design allows regular lubriion to prolong service life
Perfectly fit all types of 209 series cast iron bearing housings
Low noise, wear-resistant, stable operation for continuous running equipment
Typical Appliions
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.
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.
FAQ
Q1: What are the exact dimensions of RBY209 bearing?
A: 45mm inner diameter × 85mm outer diameter × 52.2mm total inner ring width.
Q2: Can it be installed with UCP209 pillow block housing?
A: Yes, fully compatible and interchangeable.
Q3: Why is it put into Self Aligning Ball Bearing egory?
A: For internal store grouping management; it is spherical insert bearing with self-aligning function, different from standard self-aligning ball bearings.
Q4: Do you accept OEM customization?
A: We support custom logo, packaging, precision grade and special grease filling.
Q5: How fast is your delivery?
A: Standard stocked bearings can be shipped out within 3-5 working days.
*Stable stock for thin-wall cylindrical roller bearings, support fast bulk shipment.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification:
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...