KOYO (JTEKT) BH1312 — Technical Specifications

Brand: Koyo (JTEKT)
Product Type: Drawn Cup Needle Roller Bearing
Category: Needle Roller Bearing (Drawn Cup, Full Complement)

Identification

• Item / Part Number: BH1312
• EAN / UPC: 605790189722
• Series: BH (Heavy Series)
• Country of Origin: United States

Dimensions & Weight

• Bore (d): 20.64 mm (0.8125 in / 13/16")
• Outside Diameter (D): 28.58 mm (1.1250 in)
• Overall Width (B): 19.05 mm (0.7500 in)
• Weight: 0.034 kg (0.07 lb)

Design & Features

• Drawn Cup Type: Open ends
• Closure Type: Open / Unsealed
• Seal Type: No seal
• Roller Set: Full complement, mechanically retained (no cage)
• Lubrication Hole: No hole (no “-OH” feature)
• Cross Section: Low profile for high load capacity in a compact envelope
• Raceways: Shaft and housing surfaces typically serve as inner and outer raceways

Operating Conditions

• Max Speed: 6300 rpm
• Temperature Range: Up to +250°F (max)

Standards

• Standards Met: ANSI/ABMA 18.2, ASTM F2162

Notes on Series / Options (Reference)

• B Series: Standard full complement, mechanically retained
• BH Series: Heavy series full complement, mechanically retained
• -OH: Indicates lubrication oil hole