Enduro Bearing MR 21531 LLB 21.5x31x7

Enduro Bearing MR 21531 LLB 21.5x31x7

Enduro MR 21531 LLB bearing is a durable ABEC-3 radial bearing designed mainly for hub and bottom bracket applications. This uncommon size is typically used in older WTB 20 mm front hubs and ISIS bottom brackets.

It features deep-groove races and Grade 10 balls for smooth rotation and reliable load handling. LLB dual-lip labyrinth seals provide effective protection against dirt and moisture while maintaining low friction.

Filled 90% with high-pressure waterproof grease, this bearing ensures long-lasting performance in demanding conditions. Enduro bearings are engineered for maximum reliability and protection.

• Dimensions: 21.5 x 31 x 7 mm
• Type: radial bearing
• Precision: ABEC-3
• Clearance: C3
• Seals: LLB labyrinth
• Static load: 2.24 kN
• Weight: 24.6 g