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BMB-6209/080S2/UH108A is an integrated magnetic encoder sensor bearing unit upgraded on standard 6209 deep groove ball bearing structure, specially matched for electric forklift traction drive motors, also compatible with heavy-duty servo motors, textile main drive spindles and logistics AGV closed-loop speed control systemsSKF 集.... This all-in-one unit combines rolling bearing, impulse ring and magnetic induction sensor, eliminating separate external encoder installation. It collects real-time rotational speed, rotation direction and 90° phase-shift quadrature pulse signals without extra assembly fixtures. Equipped with outer ring circlip positioning groove for axial limit, single-side RS1 contact rubber seal and C3 enlarged radial clearance to avoid seizure caused by thermal expansion under long-time heavy-load motor operation. Built-in sensor outputs 80 pulses per revolution with stable anti-interference performance against workshop oil mist, metal dust and humidity, widely used for forklift motor overhaul and industrial automation equipment aftermarket replacement.
Get a quote within 24 hours for your electric forklift motor spare parts bulk order
2. Technical Specifications
Model
BMB-6209/080S2/UH108A
Bearing Core Size
Inner d=45 mm, Outer D=85 mm, Bearing Width B=19 mm
Whole Unit Total Width
25.2 mm
Structure
Single Row Deep Groove Ball Bearing with outer ring snap ring groove
Sensor Type
Built-in Hall magnetic encoder impulse sensor
Pulse Resolution
80 pulses per revolution
Signal Output
2-channel 90° quadrature square wave, speed & rotation direction feedback
Standard Cable
571mm cable with 4-pin AMPSEAL waterproof plug
Radial Clearance
C3 increased clearance
Seal Type
Single-side RS1 contact rubber dust & oil resistant seal
Material
GCr15 high carbon chrome bearing steel, PA66 non-metallic polymer cage
Basic Dynamic Load Rating
33.2 kN
Basic Static Load Rating
21.6 kN
Limiting Grease Rotating Speed
5000 r/min
Surface Hardness
HRC 58–65
Working Temperature Range
-30℃ ~ 120℃
Relubrication
No re-lubrication hole
Net Weight
0.52 kg
Cross Reference
BMB-6209/080S2/UB108A, SKF BMB series forklift motor encoder bearing
HS Code
8482103000
Full technical CAD drawings, sensor wiring diagram and forklift motor fitment list available upon request
3. Key Advantages
Integrated bearing & encoder compact design, saves motor internal installation space, eliminates assembly tolerance between split encoder and bearing, greatly improves speed detection accuracy and signal stabilitySKF 集...
Integral outer ring circlip positioning groove removes extra retaining sleeves, simplifies forklift motor stator assembly and cuts assembly labor cost
C3 oversized internal clearance offsets temperature expansion of heavy-load traction motor shafts, effectively prevents bearing seizure and motor stall under continuous full-load operation
Mirror superfinished raceway and steel ball reduce rotation friction torque, maintaining low-vibration, low-noise stable operation during frequent start-stop of all-day forklift work
Reinforced single-side contact rubber seal blocks hydraulic oil mist, metal dust and moisture in factory workshops, avoiding sensor circuit short-circuit and premature bearing wear
Through-hardened GCr15 bearing steel with stable heat treatment delivers outstanding anti-fatigue impact resistance, adapting to uninterrupted heavy-duty working conditions of electric forklifts
Support customized pulse number, cable length, plug terminal type, OEM laser marking and neutral vacuum anti-rust packaging for global forklift spare parts distributors
Reduce forklift traction motor speed feedback failure rate and lower overall equipment maintenance downtime
Large textile printing main drive spindle motors, warping machine high-speed drive assemblies
Automated packaging machinery, heavy-duty conveyor closed-loop speed control motors
Forklift repair shops, industrial automation spare parts cross-border wholesale suppliers
Dedicated original replacement bearing unit for electric forklift traction motor encoder overhaul
5. Why Choose GQZ Forklift Encoder Bearing
Over 25 years professional production experience of forklift built-in encoder sensor bearing units
Strictly consistent with original dimension, pulse waveform and electrical signal parameters, 100% interchangeable with BMB-6209/080S2/UH108A original bearings
Sufficient spot stock for BMB6209 encoder series, fast shipment for bulk forklift spare parts orders
Professional mechanical & electrical engineering team provides motor disassembly, bearing press-fit installation and sensor signal debugging technical support
Products exported to more than 50 countries, stable long-term supply for forklift manufacturers and aftermarket repair chains
We supply high-precision low-noise integrated sensor bearings for electric forklift closed-loop drive control
6. Complete Quality Assurance System
Raw bearing steel chemical composition and hardness inspection before forging processing
CNC outer ring snap ring groove turning, raceway precision grinding and mirror superfinishing procedure
Constant temperature quenching & tempering heat treatment to stabilize internal material stress
Full dimensional tolerance inspection for inner ring, outer ring, positioning groove plus visual appearance check
Anti-rust oil coating + independent vacuum sealed packaging to prevent rust and circuit damp during long-distance sea transportation
Every batch of encoder bearing units passes full mechanical & electrical performance inspection before shipment to guarantee stable forklift speed control performance
7. Get a Quote Now
Looking for wholesale BMB-6209/080S2/UH108A integrated magnetic encoder sensor bearings for electric forklift traction motors? Send your inquiry to obtain:
Competitive factory direct bulk unit price
Complete forklift motor model fitment checklist + sensor wiring schematic
Technical support for motor disassembly, bearing press-fit and signal fault debugging
Contact us for detailed dimension catalog and real-time stock availability
8. FAQ
Q1: What is the core difference between UH108A and UB108A suffix models of BMB-6209 series?
Only the built-in sensor signal cable plug pin definition differs; bearing mechanical dimensions, clearance, load and pulse parameters are fully consistent and interchangeable. UH108A is equipped with dedicated forklift motor waterproof plug.
Q2: Can this encoder bearing replace ordinary standard non-sensor 6209 bearing?
Not universal. This unit integrates magnetic sensor with total assembly width of 25.2mm, standard 6209 bearing width is only 19mm, and it has unique outer ring circlip positioning groove; only matches motors originally equipped with BMB series encoder bearing unit.
Q3: What failure symptoms require replacing BMB-6209/080S2/UH108A bearing unit?
Forklift speed display loss, vehicle acceleration jitter, closed-loop control out of sync, distorted pulse signal waveform, abnormal buzzing noise during motor operation, sensor cable aging and oil corrosion damage. Replace the whole encoder bearing unit to restore normal speed feedback control.
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...