Push with Half the Effort / The "Light-Effort" Handbook That Transforms Your Workplace

2026/11/5 Push with Half the Effort The "Light-Effort" Handbook That Transforms Your Workplace For Purchasing & Workplace Improvement Managers / UKAI CASTERS 1 Workplace Challenges Transport Efficiency Challenges Back Strain and Fatigue at Start-up Inefficiency of Splitting Loads Heavy force is needed to start pushing a Carrying heavy loads in several smaller batches cart, draining workers' stamina and multiplies transport time many times over. compromising safety. The cause was not the cart itself, but the "footing" 2 1

2026/11/5 Astonishing Lightness and Outstanding Durability: Rich Urethane Casters Less Effort High Efficiency Dramatically reduces Even heavy loads can be starting resistance, making carried smoothly in a single heavy loads feel surprisingly trip. light. [High-Rebound Urethane] ＋ [Dedicated Bearing Structure] ＝ "Luxurious Lightness" That Changes Workplace Norms 3 Heavy Loads Start Moving Smoothly: 60% Less Effort Starting resistance (the force needed to move a Over 60% cart) is dramatically reduced. Lower Creates a work environment where even women and older workers can move heavy loads safely without excessive strain. Standard Urethane Rich Urethane Caster Caster 4 2 Starting Resistance

2026/11/5 Zero "Split Trips": Carry More in a Single Trip Standard Caster Rich Urethane Caster Rich Urethane Caster 1,000kg 1,000kg 250kg 250kg A B 250kg 250kg A B A Round trips waste time and energBy Done in one trip Carried in two trips Done in one trip Easy to move, so there is no need to split loads and make repeated trips. Not only prevents worker fatigue, but also dramatically shortens logistics lead times in factories and warehouses. 5 Secret to Lightness #1: "High-Rebound Urethane" That Glides Over Floors Rich Urethane Over 60% Lower Standard Urethane Rich Urethane Caster Caster A special high-rebound material that overturns the conventional wisdom of urethane wheels, dramatically reducing the force needed for that "first step" when starting to push. 6 3 Starting Resistance

2026/11/5 Secret to Lightness #2: "Dedicated Bearings" That Support Heavy-Load Swiveling Thrust Bearing Firmly supports heavy vertical loads Tapered Roller Bearing Ensures smooth swiveling even at maximum load Two types of precision bearings are built into the swivel section of the JH/JP brackets, so carts turn surprisingly smoothly even with heavy loads. 7 Halve Running Costs and Keep the Environment Clean Wear Resistance Comparison Less wheel wear Wear resistance is roughly doubled. Far fewer replacements greatly cut parts and maintenance labor costs. Less dust Less wear means less tire debris (dust). Ideal for 5S activities and maintaining a Standard Rich Urethane clean manufacturing Urethane environment. 8 4 Wear Vol.

2026/11/5 Summary of Benefits of Rich Urethane Casters Improvement Area Standard Caster Rich Urethane Caster Surprisingly light (60% less Risk of severe back pain Start-up Effort than before) Work Efficiency Carried in two trips Carried smoothly in one trip Heavy wear, frequent About half the wear, longer Wear replacement life Generates dust, requires Low dust, eco-friendly Dust Generation cleaning 9 A Full Lineup to Upgrade Your Existing Carts Swivel Caster Swivel Caster with Stopper Rigid Caster Fixed Caster with Stopper Available sizes: 130mm, 150mm, 200mm Max. load: up to 500 daN (510.0 kgf) Simply replacing the casters on your current cart delivers dramatic "light-effort" gains. * Please observe the load capacity of your cart. 10 5

2026/11/5 Secret to Lightness #1: High-rebound urethane "Rich Urethane" Rich Urethane Caster Feature 1. Astonishing Lightness Feature 2. Lower Running Costs (Wear Resistance) Specifications (Starting Performance) Over approx. 60% Approx. 47% Push with half the effort. A next-generation caster combining Lower Lower Starting resistance sharply Wheel wear halved vs. astonishing lightness and outstanding durability reduced vs. standard urethane standard urethane Heavy loads carried with ease Eco-friendly too Sizes: 130mm / 150mm Size Part No. Max. Load Tire Width Shaft Dia. Mounting Top Plate Hole Pitch Hole Dia. Offset Weight daN( kgf) R D Height F1/F2 P1/P2 D E g H1 Swivel Caster (RUJH type) 130 RUJH-130 450 (459.0) 50 20 177 108/108 80/80 11 45 3,430 150 RUJH-150 500 (510.0) 50 20 198 120/120 90/90 11 50 4,150 Swivel Caster with Stopper (RUJHB type) 150 RUJHB-150 500 (510.0) 50 20 198 120/120 90/90 11 50 4,690 Fixed Caster (RUKH type) 130 RUKH-130 450 (459.0) 50 20 177 140/96 100/56 11 - 2,530 150 RUKH-150 500 (510.0) 50 20 198 140/96 100/56 11 - 2,730 * A protective cover to prevent foot entrapment can also be fitted (made-to-order). are made-to-order. 11 Secret to Lightness #2: Dedicated Bearings in the Swivel Section Thrust Bearing Two types of precision bearings built into the swivel section Combined with high-rebound "Rich Urethane," this delivers extremely smooth swiveling even under heavy loads Tapered Roller Bearing Size: 200mm Size Part No. Max. Load Tire Shaft Dia. Mountin Top Plate Hole Pitch Hole Dia. Offs Weight daN( kgf) Width D g Height F1/F2 P1/P2(P1’/P2’) (d) et (g) R H1 (E) Swivel Caster (RUMJP type) 200 RUMJP-200 400 (408.0) 42 20 250 140/140 115/115 (105/105) 11.5 63 4,390 Fixed Caster (RUMKP type) 200 RUMKP-200 400 (408.0) 42 20 250 151/102 112/63 (105/55) 11.5 - 3,280 Fixed Caster with Stopper (RUMKPBZ type) 200 RUMKPBZ-200 400 (408.0) 42 20 250 151/102 112/63 (105/55) 11.5 - 3,480 Left-hand Fixed Caster with Stopper (RUMKPBZL type) 200 RUMKPBZL-200 400 (408.0) 42 20 250 151/102 112/63 (105/55) 11.5 - 3,480 * A protective cover to prevent foot entrapment can also be fitted (made-to-order). 12 6

2026/11/5 Don't Just Read the Data: Experience the Real "Lightness" [Free Loan Service Available] We lend Rich Urethane Casters, or demo carts Scan with your smartphone fitted with them, to watch the "introduction free of charge. Try that "half the effort" video“. with your own heavy loads on site. ※Japanese only ※For residents of Japan only. Gifu Sanken Kogyo Co., Ltd. Caster Division https://gifusanken.com/ 2026/5 13 7