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W208PPB2 heavy-duty agricultural spherical outer diameter insert bearing, straight round 1-1/2 inch bore, specially developed for disc harrows, rotary tillers and field farming equipment. Equipped with one-piece integrated tri-ply three-lip shroud composite seals, forming multi-stage barrier against mud, crop residue, sand, dust and field water splash. Spherical outer ring allows ±2.5° self-alignment to compensate shaft and housing assembly misalignment. Built-in relubrication groove and grease hole support periodic grease replenishment. C3 internal clearance matches high-vibration farm working conditions, filled with high-temperature anti-wear agricultural grease for long continuous operation. Widely matched with cast iron/stamped steel housings for all kinds of soil tillage machinery.
Get formal quotation within 24 hours
2. Key Advantages
Triple-lip Tri-Ply integrated shroud sealing system: Outer metal shroud blocks large mud clumps by centrifugal throw-off; three layers NBR contact lips isolate fine sand, dust and water mist, far superior anti-contamination performance vs standard 2S/2F double seals, perfectly adapted to muddy field environments.
Spherical outer ring self-aligning structure, automatically offsets installation deflection, eliminates abnormal edge stress and premature raceway wear.
Straight round bore design, easy press-fit installation on standard smooth farm shafts, no eccentric collar/taper sleeve required, simplifies assembly for disc harrow disc hubs.
Extra-wide thickened inner & outer rings, larger steel ball elements, enhanced impact and heavy radial load resistance for shock-heavy tillage operations.
Reserved internal grease channel and side grease fitting hole, convenient regular re-lubrication to extend service cycle and reduce field maintenance downtime.
GCr15 bearing steel full quenching heat treatment, stable hardness, outstanding wear and fatigue resistance under long-hour high-vibration operation.
Universal interchangeable cross model: DS208TT2A, 2AC08-1-1/2, 24R6-208E3, fully compatible with mainstream global farm machinery OEM standards.
Cut field maintenance frequency and deliver stable long-term rotation for heavy tillage agricultural equipment
3. Applications
Disc harrow hubs, heavy rotary tillers
Subsoilers, soil preparation farming machinery
Farm fertilizer spreaders, crop straw crushers
All dusty, muddy, high-shock semi-outdoor agricultural field equipment
4. Technical Specifications
Model
W 208PPB2 Agricultural Spherical OD Insert Bearing
Matching Shaft Diameter d
38.113 mm (1.5 inch round straight bore)
Outer Diameter D
80 mm (spherical outer surface)
Inner Ring Overall Width Bi
42.875 mm
Outer Ring Flange Width Be
18 mm
Seal Structure
Double-sided one-piece tri-ply triple-lip shroud composite anti-mud seal
Internal Clearance
C3 agricultural heavy-duty clearance
Material
GCr15 chrome bearing steel, NBR anti-aging rubber seal
Basic Dynamic Load Rating
32.6 kN
Basic Static Load Rating
19.9 kN
Max Grease Limiting Speed
4800 r/min
Net Weight
0.68 kg
Self-align Angle
±2.5°
Operating Temperature Range
-20℃ ~ +120℃
Accuracy Grade
P0 (ABEC-1), relubricatable
Cross Reference Models
DS208TT2A, 2AC08-1-1/2, 24R6-208E3
Dimension drawings and spec sheets available on request
5. Why Choose GQZ Bearing
25+ years professional manufacturer of tri-ply sealed agricultural disc harrow insert bearings.
Every batch passes mud splash aging, continuous vibration shock and heavy load durability tests before delivery.
Support OEM custom anti-rust black oxide coating, high-temperature food-grade grease and sealing structure optimization.
Fast formal quotation and one-on-one agricultural machinery installation technical guidance within 24h for all RFQs.
Stable mass production capacity to meet long-term bulk OEM & distributor orders worldwide.
Factory direct supply price, consistent stable quality and on-time batch shipment for global farm machinery buyers
6. Quality Assurance
Raw GCr15 steel chemical composition & hardness inspection
Triple-lip tri-ply seal mud cyclic aging durability test
Continuous vibration heavy load rotation life test
Full dimension tolerance sorting & 100% visual appearance inspection before packaging
Random finished bearing sampling fatigue test before shipment
All W208PPB2 insert bearings pass multi-process strict quality inspection before leaving factory
7. CTA
Request Wholesale Quotation
Looking for factory direct W208PPB2 triple mud-proof spherical OD round bore insert bearings for disc harrow and farm tillage machinery?
Send your bulk inquiry to obtain:
Complete formal detailed quotation within 24 hours
Dimension drawings & professional hub installation guidance
Custom anti-rust coating and special grease modification service
Long-term bulk exclusive factory wholesale price without intermediate markup
Contact us anytime for large-volume OEM cooperation
8. FAQ
Q1: What’s the difference between W208PPB2 tri-ply 3-lip seal and ordinary 2F/2S double seals? Tri-ply adds an outer integrated metal shroud plus three inner rubber contact lips, multi-stage interception of mud, sand and water; 2F/2F only two layers of protection, W208PPB2 performs better in extremely muddy disc harrow working conditions.
Q2: What equipment is W208PPB2 most suitable for? Mainly matched to disc harrow disc hubs, also applicable to rotary tillers and other soil preparation machinery exposed to heavy mud and impact loads.
Q3: Can W208PPB2 replace DS208TT2A directly? Yes, all bore, outer diameter and width dimensions fully consistent, direct interchange without modifying equipment hubs.
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...
