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1209K is a double‑row open‑type self‑aligning ball bearing with 45×85×19mm dimension. It features a 1:12 tapered inner bore designed for mounting with adapter sleeve. With spherical outer raceway structure, this bearing can actively compensate shaft misalignment and deflection during operation. Made of high‑quality GCr15 chrome steel, it offers stable rotation, low noise and excellent anti‑vibration performance. Ideal for equipment with poor shaft parallelism and unstable running conditions.
*Send inquiry to get full technical datasheet and factory price.
Self‑aligning function automatically compensates shaft misalignment and installation errors
1:12 tapered bore allows easy installation and fixation with H309 adapter sleeve
Double‑row ball structure provides larger load capacity and stable operation
Open‑type design supports convenient oil lubrication and regular maintenance
Effectively reduces vibration and noise during long‑time continuous operation
High‑strength GCr15 steel ensures wear resistance and long service life
Typical Appliions
Textile machinery and weaving transmission equipment
Conveyor systems and belt drive machinery
Agricultural machinery and farm processing equipment
Small industrial fans and ventilation devices
Paper making and printing industrial machines
General mechanical equipment with shaft deflection problems
Why Choose GQZ Bearing
30 years professional bearing industry experience
ISO certified strict quality inspection
Flexible OEM & private label customization
3-5 days fast delivery for stocked bearings
Full bearing series, universal interchangeable size
Factory direct price & reliable after-sales service
*Contact our engineer to select precision grade and cage for your machine spindle.
FAQ
Q1: What is the difference between 1209 and 1209K?
A1: 1209 is straight bore while 1209K is 1:12 tapered bore for adapter sleeve installation.
Q2: Does 1209K need an adapter sleeve?
A2: Yes, it matches H309 sleeve for tight and stable shaft mounting.
Q3: What is the core advantage of self‑aligning bearing?
A3: It tolerates shaft misalignment and prevents bearing stuck or premature wear.
Q4: Is 1209K sealed type?
A4: No, it is open type, suitable for oil lubrication working conditions.
*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...