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Wiseco B5002 Main Bearing 30 x 62 x 16mm Powersports Engine Bearing

(Suzuki RM250 1981-88, LT250R QuadRacer 1987-92; Yamaha YZ250 1976-87, IT250 1978-83, VK540 1988-91, VK540 II 1993-98, VK540 III 1999-2005 + 25 more models)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

B5002
9 reviews
Sale Price

$22.99

Estimated ship date Saturday, November 21

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Product Details

The Wiseco B5002 is a precision-engineered powersports main bearing measuring 30 x 62 x 16mm, designed for high-performance two-stroke and four-stroke engine bottom-end rebuilds. Sold individually, this roller-style main bearing is a direct-fit solution for crankshaft support in demanding powersports applications.

Key Features:

  • Dimensions: 30mm inner diameter x 62mm outer diameter x 16mm width
  • Case-hardened construction for maximum service life and durability
  • Engineered for smooth, reliable operation at high RPM
  • Manufactured to meet or exceed OEM quality standards
  • Sourced from leading Japanese bearing manufacturers
  • Inspected for accuracy, function, and cleanliness prior to packaging
  • Sold individually (single bearing)

Wiseco main bearings are fully engineered to complement Wiseco crankshafts and bottom-end rebuild components, making them an ideal choice for engine restoration or performance builds. Their extensive powersports expertise ensures each bearing delivers consistent, dependable performance rebuild after rebuild.

Products specifications

Fits

Suzuki RM250 1981-88, LT250R QuadRacer 1987-92; Yamaha YZ250 1976-87, IT250 1978-83, VK540 1988-91, VK540 II 1993-98, VK540 III 1999-2005, XT350 1985; John Deere Liquifire 440 1979-82, Sportfire 1979-82, Trailfire 340 1979 + 21 more models

Very quick and very easy.

shipping was quite expensive

not too many companies had this shroud in stock. dirt everywhere had 10 in stock. Thanks!

so far so good. have not opened and revewed product.

Very good pricing!

parts were delivered when expected.

Quick, easy and free shipping. I'll be back!! Chris Wisconsin

Super easy wes sight to manage

Very helpful staff and guided me the correct exhaust tip sizing c

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