{"product_id":"borg-warner-velvet-drive-needle-bearing-4840d","title":"Borg Warner Velvet Drive Needle Bearing – 4840D","description":"\u003ch2\u003eBorg Warner Velvet Drive Needle Bearing – Part 4840D\u003c\/h2\u003e\n\n\u003cp\u003eA direct-replacement needle bearing for Borg Warner Velvet Drive marine transmissions. Needle bearings in the Velvet Drive series support rotating shafts and planet carrier assemblies inside the transmission, reducing friction and maintaining precise alignment under load. This bearing is typically replaced during a full transmission rebuild or when wear, pitting, or damage is found on inspection.\u003c\/p\u003e\n\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4840D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Borg Warner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Needle Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmission Family:\u003c\/strong\u003e Velvet Drive series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Marine transmission – internal bearing support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagram Position:\u003c\/strong\u003e Refer to your Velvet Drive parts diagram under the shaft or planet carrier assembly section for exact location\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBorg Warner Velvet Drive 71C series marine transmissions\u003c\/li\u003e\n\u003cli\u003eBorg Warner Velvet Drive 72C series marine transmissions\u003c\/li\u003e\n\u003cli\u003eBorg Warner Velvet Drive 72VDR series marine transmissions\u003c\/li\u003e\n\u003cli\u003eMarine inboard applications where part number 4840D is specified in the transmission parts diagram\u003c\/li\u003e\n\u003cli\u003eConfirm fitment against your transmission model number and parts diagram before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDuring a full Velvet Drive transmission rebuild\u003c\/li\u003e\n\u003cli\u003eWhen the bearing shows pitting, spalling, flat spots, or roughness on inspection\u003c\/li\u003e\n\u003cli\u003eWhen noise or vibration is traced to the bearing location inside the transmission\u003c\/li\u003e\n\u003cli\u003eWhenever the transmission is disassembled — needle bearings are inexpensive insurance against a repeat teardown\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNeedle bearing replacement requires transmission disassembly — refer to the Velvet Drive service manual for the correct procedure\u003c\/li\u003e\n\u003cli\u003eInspect the bearing bore and shaft journal for wear or damage before installing a new bearing\u003c\/li\u003e\n\u003cli\u003eEnsure correct bearing orientation as shown in the parts diagram\u003c\/li\u003e\n\u003cli\u003eReplace all seals and gaskets disturbed during disassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/borg-warner-velvet-drive-oil-pump-71c-72c-71c-a60\"\u003eBorg Warner Velvet Drive Oil Pump – 71C \/ 72C Series (71C-A60)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/borg-warner-velvet-drive-input-shaft-71c-72vdr-71c-3a16\"\u003eBorg Warner Velvet Drive Input Shaft – 71C \/ 72VDR Series (71C-3A16)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/borg-warner-shift-spool-o-ring-velvet-drive-71c-72c-4804h\"\u003eBorg Warner Shift Spool O-Ring – Velvet Drive 71C \/ 72C (4804H)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/crusader-damper-plate-302-351-sae-0-borgwarner-oem-part-r140001\"\u003eCrusader Damper Plate 302\/351 – SAE #0 \/ BorgWarner (R140001)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003eNeedle bearings are one of the lowest-cost items in a Velvet Drive rebuild and one of the easiest to overlook — but a worn or pitted needle bearing left in place during a rebuild is a common cause of premature failure after the transmission goes back in the boat. The best practice is to replace all needle bearings as a matter of course any time the transmission is apart, regardless of how they look on the surface. At this price point, it’s inexpensive insurance against pulling the transmission again. If you’re rebuilding, also check the \u003ca href=\"\/products\/borg-warner-velvet-drive-oil-pump-71c-72c-71c-a60\"\u003eoil pump (71C-A60)\u003c\/a\u003e and replace the \u003ca href=\"\/products\/borg-warner-shift-spool-o-ring-velvet-drive-71c-72c-4804h\"\u003eshift spool O-ring (4804H)\u003c\/a\u003e at the same time.\u003c\/p\u003e","brand":"BOR","offers":[{"title":"Default Title","offer_id":43563779260452,"sku":"4840D","price":38.22,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/fb20a454-6a00-4909-b8d7-da31b25a3ecc.png?v=1787614661","url":"https:\/\/marisolmarine.com\/products\/borg-warner-velvet-drive-needle-bearing-4840d","provider":"Marisol Marine Company","version":"1.0","type":"link"}