GQZ 207KRRB17 Hex Bore Agricultural Ball Bearing 1-1/8" Hex Shaft 72mm Spherical Outer Diameter Multi Lip Seal

The 207KRRB17 is heavy-duty agricultural hex bore ball bearing with spherical outer ring and multi-layer composite seals. Designed for 1-1/4 inch hexagonal shafts, it fits perfectly on farm hex drive shafts, supports heavy radial loads in muddy, dusty harvesting environments. Spherical outer surface provides self-aligning function to compensate assembly misalignment. Interchangeable with JD9420, HPS103GP3 and other OEM agricultural parts.

Model

207KRRB17

Hex Bore Size

31.775 mm (1-1/4 inch)

Outer Diameter (D)

72 mm

Inner Ring Width (B)

25 mm

Outer Ring Width (C)

17 mm

Structure

Single row deep groove ball bearing, spherical O.D., hex inner bore

Material

GCr15 chrome bearing steel

Seal Type

Multi-layer anti-mud composite lip seal

Relubricable

Non-relubricated sealed construction

Basic Dynamic Load Cr

25500 N

Basic Static Load C0r

15300 N

Approx Net Weight

0.40 kg

Cross Reference

JD9420, HPS103GP3

• Special hexagonal inner bore tightly matches agricultural hex shafts to prevent slipping under heavy load
• Spherical outer ring realizes self-alignment to absorb minor installation deviation
• Multi-layer reinforced seals effectively block mud, crop residues, dust and water splash
• High toughness bearing steel withstands continuous vibration and impact load in field
• Pre-filled long-life agricultural grease, maintenance-free sealed structure
• Custom options: OEM marking, anti-rust treatment, high temperature grease

This bearing is widely used in:

• Round baler, corn header and combine harvester transmission parts
• Agricultural rotary rakes and hay processing machinery
• Tillage equipment, soil preparation and planting machinery
• Farm roller wheel and heavy-duty agricultural conveying equipment

• 25+ years experience in special agricultural bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & interchange farm hex bore bearing projects
• Strict full-process quality inspection before shipment
• Fast response within 24 hours for technical consultation
• Stable bulk supply for agricultural machinery aftermarket distributors

• Raw material hardness inspection for GCr15 bearing steel
• Precision grinding & superfinishing of raceway and hex bore
• Heat treatment metallurgy and hardness control
• Seal tightness, load & rotation smoothness testing
• Final dimensional and appearance inspection before delivery

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