High-Capacity SB208 Set-Screw Insert Ball Bearing | 40mm Bore x 80mm Outer Diameter x 18mm Width (Replaces AS208-40MM, AS208, SB208KG5, FHS208-40MM)
Engineered for extreme structural resilience and smooth rotational stability in heavy-duty industrial drives, high-throughput automated conveyors, and rugged agricultural machinery, the SB208 insert bearing delivers precise 40mm x 80mm x 18mm dimensions manufactured from premium GCr15 high-carbon alloy steel. Equipped with an extended inner ring and dual heavy-duty set-screws for rock-solid shaft anchoring, it serves as a flawless direct OEM drop-in replacement for AS208-40MM, AS208, SB208KG5, and FHS208-40MM.
⭐ Engineering Specifications & Interchange Guide
Series Designation: SB208 (40mm Standard Metric Profile)
OEM Cross-Reference: SB208, AS208-40MM, AS208, SB208KG5, FHS208-40MM, GE40KRRB
Metric Bore (d): 40 mm
Outer Diameter (D): 80 mm
Overall Width (B): 18 mm (Optimized heavy-duty cross-section for superior radial support)
Material Composition: GCr15 Premium Bearing-Grade Chrome Steel
Locking Configuration: Extended Inner Ring with Twin Heavy-Duty Set-Screws
Outer Ring Geometry: Spherical Contour (Self-aligning to compensate for initial shaft deflection)
Sealing Mechanism: Advanced Dual-Lip Contact Seals paired with Protective Steel Slingers
🚗 Performance Highlights & Benefits
Slip-Free Shaft Anchoring: The dual set-screw locking collar grips securely onto transmission shafts, eliminating rotational slip under continuous vibrational loads.
Low-Friction Dynamics: Super-finished internal raceways reduce friction coefficients, keeping operating temperatures cool and stable at high speeds.
Effortless Retrofitting: Designed for universal drop-in compatibility inside standard 208-series pillow blocks, flanged housings, and take-up units.
Reliable Contaminant Defense: Factory pre-greased and tightly sealed to effectively block out abrasive dust, moisture, and fine debris.
⚙️ Target Industrial Applications
Material Handling: Automated sorting lines, heavy roller conveyors, and belt drive modules.
Agricultural Machinery: Combine harvester components, grain augers, and agricultural blowers.
General Industrial Drives: Packaging equipment, textile machinery, and commercial power transmission units.
Related Products
UC208-25 Insert Bearing, 1-9/16" Imperial Bore (1-9/16" x 80 x 49.2mm), Spherical OD for Mining Equipment, Heavy-Duty Conveyors & Agricultural Machinery
UC208-25
UC209-27 Insert Ball Bearing, 1-11/16" Bore, Wide Inner Ring with Set Screw for Agricultural & Industrial Machinery
UC209-27
UC209-28 Insert Ball Bearing | 1-3/4" Bore, Wide Inner Ring for Agricultural & Industrial Machinery
UC209-28
UC210 Insert Ball Bearing | 50mm Bore, Wide Inner Ring for Industrial & Agricultural Machinery
UC210
UC210-29 Insert Ball Bearing | 1-13/16" Bore, Dual Set Screws for Heavy-Duty Agricultural & Industrial Equipment
UC210-29
UC210-30 Insert Ball Bearing | 1-7/8" Bore, Wide Inner Ring for Heavy-Duty Industrial & Agricultural Machinery
UC210-30
Heavy-Duty 1-15/16" Bore UC210-31 Insert Ball Bearing - Set Screw Locking for Industrial & Agricultural Equipment
UC210-31
UC210-32 Insert Bearing | 2" Bore, Extended Inner Ring & Set Screws for Conveyors & Farm Machinery
UC210-32
High-Capacity 55mm Bore UC211 Insert Ball Bearing - Wide Inner Ring for Industrial & Agricultural Drives
UC211
UC211-32 Insert Ball Bearing | 2" Bore, Wide Inner Ring for Heavy-Duty Agricultural & Industrial Machinery
UC211-32
UC211-33 Insert Ball Bearing | 2-1/16" Bore, Wide Inner Ring with Set Screws for Industrial Conveyor & Farm Machinery
UC211-33
Industrial Grade UC211-34 Insert Bearing | 2-1/8" Bore, Wide Inner Ring & Set Screws for Heavy Machinery & Conveyors
uc211-34
Interested in this product?
Contact us for the best price. Custom specs and bulk orders welcome.