Bearings and Spacers
11Pages

Section Contents

Ball Bearings P4 All dimensions in mm Generally in accordance with ISO 492, tolerance class 4 Material: X65Cr13 stainless steel Associated Products Shafts: page 11-2 Bearing pre-load washers: page 12-5 Bearing spacers: page 12-6 Plain Part number selection table Part Number Plain Dimensions Specification Load Ratings Width Radii Flange Flange N Dia Width W R ØA E Dynamic Static Max Min (min) Max Min Max Min C Co O/D ØD Operating temperature range: -73ºC to +121ºC Lubricant: grease to MIL-G-21164 and MIL-G-23827 Double shielded Imperial sizes available Technical support • Spur gear and...

Bronze Bearings Associated Products Shafts: page 11-2 All dimensions in mm General tolerances ±0.13 mm Material: Bronze ASTM B 438 Type 2, Grade 1 Bearing bore tolerances after assembly are: plain bearings H7, flanged bearings H8. Recommended housing bore H7 Operating temperature range: -20ºC to +100ºC Oil impregnated Max speed 30,000 rpm p.v (@0.5 m/s) = 1.75 N/mm2.m/s pmax =13.8 N/mm vmax = 6.1 m/s (rotational) Imperial sizes available Contact us for product information, design support and custom solutions sales@reliance.co.uk

Moulded Bearings Associated Products Shafts: page 11-2 Leadscrews: page 7-1 Bearing spacers: page 12-6 All dimensions in mm General tolerances ±0.13 mm Material: Self lubricating moulded thermo-plastic Plain Part number selection table Part Number Plain Flanged BM8-2 # Tolerance for ØB is after press fitting into a housing bore of tolerance H7 Operating temperature tange: -40ºC to +130ºC (p.v)max = 1.0 N/mm2.m/s pmax = 80 N/mm2 vmax = 1.0 m/s (rotational) or 4.0 m/s (linear) Imperial sizes available Contact us for product information, design support and custom solutions sales@reliance.co.uk

Bearing Pre-load Washers Associated Products Internal circlips: page 13-21 Bearings: page 12-2 All dimensions in mm General tolerances ±0.13 mm Material: Stainless steel 300 series Treatment: Spring tempered Part number selection table Part Number EPL-1 EPL-2 EPL-4 EPL-8 EPL-10 • Imperial bearing pre-load washers • Available in spring steel, add -ST to part number eg EPL-4-ST Contact us for product information, design support and custom solutions sales@reliance.co.uk

Inner Race Bearing Spacers All dimensions in mm General tolerances ±0.13 mm Material: Stainless steel 300 series Associated Products Shafts: page 11-2 Leadscrews: page 7-1 Bearings: page 12-2 Part number selection table Product options • Imperial sizes available Contact us for product information, design support and custom solutions sales@reliance.co.uk

Bearing Spacers Outer Race Associated Products Internal circlips: page 13-21 Bearings: page 12-2 All dimensions in mm General tolerances ±0.13 mm Material: Stainless steel 300 series Part number selection table Applies to standard Reliance bearing sizes Product options • Imperial sizes available Contact us for product information, design support and custom solutions sales@reliance.co.uk

Systems Overview Intelligent Motors and Motorised Actuators Planetary and Right Angle Gearboxes Brass, Ground and Precision Spur Gears Worms and Wheels, Bevels and Internal Gears Round and Rectangular Racks and Pinions Leadscrews and Leadscrew Assemblies Flexible Shaft Couplings, Clutches and Collars Linear Guides and Slides Gear Clamps and Accessories Machine Screws, Dowel Pins and Hardware Technical Information Contact us for product information, design support and custom solutions

Systems Overview Intelligent Motors and Motorised Actuators Planetary and Right Angle Gearboxes Brass, Ground and Precision Spur Gears Worms and Wheels, Bevels and Internal Gears Round and Rectangular Racks and Pinions Leadscrews and Leadscrew Assemblies Flexible Shaft Couplings, Clutches and Collars Linear Guides and Slides Gear Clamps and Accessories Machine Screws, Dowel Pins and Hardware Technical Information Rowley Mills, Penistone Road, Lepton