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RZ. Metal backed non-contact seal on one side (Also 2RZ). Z. Metal plate. ZZ. MRC seal designation (SKF 2RS1). 2Z. Steel plate on 2 sides. 3. Cage Design. J. Pressed steel cage, rolling element guided. JEM. Steel cage (J), quiet running, C3 clearance (not marked on bearing)**. M. Machined brass cage, rolling element
d, 30, mm. D, 42, mm. B, 7, mm. d1, ≈, 33.7, mm. D1, ≈, 38.35, mm. r1,2, min. 0.3, mm. Abutment dimensions. da, min. 32, mm. Da, max. 40, mm. ra, max. 0.3, mm. Calculation data. Basic dynamic load rating, C, 4.49, kN. Basic static load rating, C0, 2.9, kN. Fatigue load limit, Pu, 0.146, kN. Reference speed, 32000, r/min.
d, 25, mm. D, 62, mm. B, 17, mm. d1, ≈, 36.6, mm. D2, ≈, 52.7, mm. r1,2, min. 1.1, mm. Abutment dimensions. da, min. 32, mm. da, max. 36.5, mm. Da, max. 55, mm. ra, max. 1, mm. Calculation data. Basic dynamic load rating, C, 23.4, kN. Basic static load rating, C0, 11.6, kN. Fatigue load limit, Pu, 0.49, kN. Reference speed
CN normal clearance P6/P6 tolerances on inner and outer rings Excellent grease retention requires little maintenance Premium Tier 1 supplier NSK are an OEM supplier to Shimano and SRAM. Thei.
Principal dimensions, Basic load ratings, Fatigue load limit, Speed ratings, Designations. dynamic, static, Reference speed, Limiting speed, Bearing, Snap ring. d, D, B, C, C, C0, Pu. mm, kN, kN, r/min
Some sellers have been known to sell fake bearings which are very difficult to spot without specialized measuring equipment, fitting these usually presents the same problems. In short, fitting genuine branded bearings is recommended. Q. Which seals do you recommend? For road racing, NTN LLB series, SKF RZ series
Feb 10, 2018 SKF 6806 2RS 30x42x7 61806 Fully Contacting Seal Genuine Bearing, in stock, ready to be shipped NTN, NSK, FAG and SKF are all quality bearing suppliers and their products meet ISO/JIS/DIN standards. For road racing, NTN LLB series, SKF RZ series and NSK VV series are recommended.