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B45-109UR
CHIK / OEM
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B45-109UR Description
B45-109UR is used at the secondary pulley shaft support position in a CVT transmission. Its deep groove ball bearing design provides stable rotation with relatively low friction, making it suitable for continuously operating shaft positions inside a gearbox. Installed at the rear of the secondary pulley, the bearing primarily supports radial loads while helping maintain shaft alignment and rotational stability.
In an automotive CVT transmission, secondary pulley bearings must operate within limited installation space while supporting continuous shaft rotation. The compact single-row ball bearing structure of B45-109UR makes it suitable as a replacement gearbox bearing for QR019CH series CVTs. When sourcing a replacement, buyers should verify the B45-109UR model, 45x90x20 mm dimensions, secondary pulley rear position and transmission model.
For transmission repair and parts sourcing, B45-109UR can also be purchased together with other CVT gearbox bearings as part of a mixed-model order. CHIK supports ready stock, bulk orders, repeat purchasing and OEM packaging, and can assist with model confirmation based on the transmission model or bearing number.
