{"product_id":"inner-ring-lrtz424830-metric-needle-roller-bearing","title":"Inner Ring LRTZ424830 Metric Needle Roller Bearing Race 42 mm ID x 48 mm OD x 30.5 mm Width High Carbon Steel For GTR486230 Assembly Single Piece Linear Slide Unit Compatible","description":"Metric inner ring LRTZ424830 needle race 42 x 48 x 30.5 mm\u003cbr\u003e\n✔️ 42 mm ID x 48 mm OD x 30.5 mm width; high carbon steel, single piece\n\n\u003cp\u003eThis single inner ring (inner race) fits metric needle roller bearings and is typically used in linear slide units, transmissions, and compact machinery where a precise hardened race is needed.\u003c\/p\u003e\n\n✅ Model: LRTZ424830, Metric LRTZ series\u003cbr\u003e\n✅ Bore type: Chamfered i.d.; needle roller bearing inner ring\u003cbr\u003e\n✅ Dimensions: 42 mm inside diameter, 48 mm outside diameter, 30.5 mm width\u003cbr\u003e\n✅ Material: high carbon steel, machined finish for assembly and fatigue resistance\u003cbr\u003e\n✅ Compatible with: GTR486230 needle roller cage\/assembly; good for linear slide unit installs\u003cbr\u003e\n✅ Pack: single piece, SKU 861926, weight 0.220 lb each\u003cbr\u003e\n\n\u003cp\u003e💡 How do I choose an inner ring for a needle roller bearing assembly in a linear slide unit?\nSelecting the right inner ring comes down to matching dimensions, series compatibility, and material for load and speed. Start by confirming fit and application needs.\n- Verify exact ID, OD and width to match the cage and shaft; metric sizing is standard for linear slide unit use.\n- Match series and part compatibility (e.g., LRTZ inner ring with GTR cage) to avoid assembly issues.\n- Consider material and alternatives like ceramic rollers or hybrid options for high-speed or low-friction needs; sealed ball bearing options differ in sealing and lubrication needs.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47969375355115,"sku":"861926","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/585a422ce24c5051385b9efd0e91284a.png?v=1775237591","url":"https:\/\/vxb.com\/products\/inner-ring-lrtz424830-metric-needle-roller-bearing","provider":"VXB Bearings","version":"1.0","type":"link"}