Needle Roller Bearings HK1010 Bk1010 HK1210 HK1512 HK1816 HK2016 HK2020 HK2030 Used for Motorcycle

Stamped Outer Ring Needle Bearings (Space-saving, high load capacity)

1. TA Series (Heavy-Duty Perforated Type)

   • Features: Large OD, low cross-section, high load capacity (caged for high speed / full complement for heavy load).

   • Models:

     • TA2215: Bore 22mm, OD 29mm, Width 15mm (high-temp applications).

     • TA3530: Bore 35mm, OD 45mm, Width 30mm (low-speed heavy load).

     • Others: TA2120, TA2515, TA3020 (bore 8-50mm).

2. HK Series (Standard Perforated Type)

   • Features: Thin-walled, cost-effective, optional seals (suffix RS/2RS).

   • Models:

     • HK1616: Bore 16mm, OD 22mm, Width 16mm (general transmission).

     • HK1610: Width 10mm (compact spaces).

3. BK Series (Closed-End Type, One Side Sealed)

   • Features: One side closed, ideal for shaft-end sealing (dust/grease retention).

   • Models:

     • BK152120RS, BK1012: Temp. range -20°C~120°C, pre-lubricated.

4. BA Series (Miniature Inch-Sized)

   • Features: Ultra-compact, precision applications (e.g., throttle assembly).

   • Models:

     • BA45: Bore 1/4" (6.35mm), OD 7/16" (11.112mm), Width 5/16" (7.94mm).

II. Solid Ring Needle Bearings (Require matched shafts/housings)

1. K Series (Connecting Rod Bearings)

   • Application: Engine connecting rods (high shock loads).

   • Models:

     • K10x15x10: Bore 10mm, OD 15mm, Width 10mm (50-250cc engines).

2. NA/RNA Series (Solid Rings)

   • Features: With inner/outer rings, precision mounting.

III. Quick Reference Table

IV. Selection Guidelines

• High Speed: Caged TA/HK series (e.g., TA2215).

• Heavy Load/Shock: Full-complement TA or K series (e.g., TA3530, K10x15x10).

• Sealing Required: BK or HK-RS models.

• Customization: Non-standard sizes/materials (e.g., stainless steel) available from manufacturers.