Radial Insert Ball Bearings and Housing Units Black Series
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Radial Insert Ball Bearings and Housing Units Black Series

The new radial insert ball bearing and housing units FAG Black Series from Schaeffler give easy mounting, smooth running and high reliability and thus allow particularly economical bearing arrangements. The dimensions of the FAG housings, made from flake graphite cast iron and with a primer paint coating, conform to JIS B 1559. These single piece cast housings can support moderate to high radial and axial loads. The radial insert ball bearings have basic protection against corrosion due to the Durotect®B coating. The bearing units are particularly suitable for applications with moderate to...

Radial insert ball bearings

Radial insert ball bearings Page Product overview Design and safety guidelines Dimension tables Schaeffler Technologies

Product overview With grub screws in inner ring Radial insert ball bearings Spherical outer ring With adapter sleeve Spherical outer ring Schaeffler Technologies

Radial insert ball bearings These radial insert ball bearings are based on single row deep groove ball bearings 62 and comprise a solid section outer ring and an inner ring extended on both sides. The bearings have plastic cages and are sealed on both sides by single piece seals RSR with a vulcanised seal lip and an outer flinger shield. The honed raceways of the bearing rings, in conjunction with the high ball grade, ensure quiet running and a reduced frictional torque. The outer ring has a spherical outside surface. In combination with a housing matched to the design, bearings with a...

Radial insert ball bearings Figure 1 Location by grub screws in the inner ring Figure 2 Location by adapter sleeve Tightening torques FAG Black Series radial insert ball bearings are supplied with seals RSR, see table. Seal RSR 0001811A Seal types Tightening torques for metric and inch size grub screws, see table, page 29. Tightening torques for locknuts, see table, page 29. Single piece, zinc-plated sheet steel washer with vulcanised and radially preloaded seal lip made from NBR and additional flinger shield Schaeffler Technologies

Bearings with a spherical outer ring, fitted in housings with a concave bore, can compensate for static misalignment of the shaft, Figure 3: ■ with relubrication, up to Ϯ2,5° ■ without relubrication, up to Ϯ5°. The units must not be used to support swivelling or tumbling motion. 0001818F Design and safety guidelines Compensation of static misalignments Figure 3 Compensation of static shaft misalignment The axial load carrying capacity of the location method of the radial insert ball bearing on the shaft can be derived from the diagram, Figure 4. The preconditions are as follows: ■ The shaft...

Radial insert ball bearings Speed limits for radial insert ball bearings Example of permissible speed calculation The speed limits are dependent on the load, the clearance between the bearing bore and shaft and the friction of the seals in the case of bearings with contact seals. Guide values for the permissible speeds can be derived from the diagram, Figure 5. In the case of load ratios Cr/P Ͼ 13, the speeds can be increased. At Cr/P Ͻ 5, location by means of a fit is recommended, see section Conditions of rotation, chapter Technical principles, Catalogue HR 1, Rolling Bearings. For both...

Shaft tolerances for radial insert ball bearings Accuracy Standard tolerances of radial insert ball bearings Inner ring tolerances The permissible shaft tolerance is dependent on the speed and load. Tolerances h6 to h9 are recommended. Conventional drawn shafts will suffice for most applications. The outside diameter tolerances of the bearings conform to the tolerances in accordance with JIS B 1558. The inner ring bore has a plus tolerance to allow easier mounting of the bearing, see tables. Nominal bearing bore diameter d mm Outer ring tolerances This corresponds to the arithmetic mean...

Radial insert ball bearings Radial internal clearance of radial insert ball bearings Radial internal clearance The radial internal clearance in accordance with JIS B 1520 is C3 for radial insert ball bearings UC and C4 for radial insert ball bearings UK. It is thus larger than in the case of normal deep groove ball bearings, see table. The larger internal clearance allows better support of misalignments and shaft deflection. Bore Radial internal clearance C3 Schaeffler Technologies

Radial internal clearance (continued) Radial internal clearance C3 Schaeffler Technologies

Radial insert ball bearings with grub screws in the inner ring Spherical outer ring Dimension table · Dimensions in mm and inch Designation Basic load ratings Dsp Schaeffler Technologies

Radial insert ball bearings with grub screws in the inner ring Spherical outer ring Dimension table (continued) · Dimensions in mm and inch Designation Mass Basic load ratings Dsp Schaeffler Technologies

Radial insert ball bearings with adapter sleeve Spherical outer ring Complete adapter sleeve Dimension table · Dimensions in mm Designation Basic load ratings Adapter sleeve Complete Matching bearing Schaeffler Technologies

Housing units

Housing units Page Product overview Design and safety guidelines Dimension tables Schaeffler Technologies

Plummer block housing units Housing units Flake graphite cast iron housing with long base Two-bolt flanged housing units Flake graphite cast iron housing with short base Product overview Flake graphite cast iron housing Three-bolt flanged housing units Flake graphite cast iron housing Schaeffler Technologies

Flake graphite cast iron housing Take-up housing units Four-bolt flanged housing units Flake graphite cast iron housing Schaeffler Technologies

Housing units Housing units with flake graphite cast iron housing Housing material The flake graphite cast iron housings are single piece components in accordance with JIS B 1559 and have high radial and axial load carrying capacity, see page 26. The housing has a lubrication groove for relubrication of the radial insert ball bearing. The housing has a lubrication hole with an M6 thread for a lubrication nipple. The housings have a primer paint coating as anti-corrosion protection of colour RAL 9005 (black). The material used for the flake graphite cast iron housings is cast iron in...