d - 8 mm
D - 28 mm
B - 9 mm
d2 - - 13.9 mm
D2 - - 22.38 mm
r1,2 - min. - 0.3 mm
da - min. - 10 mm
da - max. - 13.8 mm
Da - max. - 26 mm
ra - max. - 0.3 mm
Basic dynamic load rating - C - 4 kN
Basic static load rating - C0 - 2 kN
Fatigue load limit - Pu - 0.083 kN
Reference speed - 67000 r/min
Limiting speed - 40000 r/min
Calculation factor - kr - 0.035
Calculation factor - f0 - 12.4
Mass bearing - 0.0273 kg
- Model Number: W 638
- Inner Diameter：28mm Outer Diameter：8mm Width：9mm
- Type：Deep Groove Ball Bearings
- Update date：2025-04-22
- Application:hook,universal category,medical Equipment,lifting tackle,mechanical and electrical,centrifugal pump,water,Industrial,hydraulic pump,food safety,joint protection
- Similar models:CX 63802-2RS ISB 63800 SKF W63804-2Z CYSD 1638 SKF W63800-2RZ KOYO 638ZZ NSK 638DD SKF W638/5-2RS1 ISB 63801 SKF 638/8-2Z
- BEARING POWER International Trading Co.,Ltd. specialize in W638 products，there is large inventory of SKF W 638 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638 Which SKF W638 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.
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Model No. Inner Diameter Outer Diameter Width Brand Type 190RF92 190 312 Timken Cylindrical Roller Bearings 181115/181190H 115 190 108 Gamet Tapered Roller Bearings 248/630K30 630,000 780,000 150,000 NTN Thrust Roller Bearings 29268 M 340 460 ISO Thrust Roller Bearings 3212 60 110 36.5 KOYO Angular Contact Ball Bearings 4T-30209 45 85 20,75 NTN Tapered Roller Bearings 51110 50,000 70,000 14,000 NTN-SNR Thrust Ball Bearings 5313D 65 140 61,72 Timken Angular Contact Ball Bearings EGB2025-E40-B 20 23 25 INA Plain Bearings KZK 18x24x12 18 24 INA Needle Roller Bearings LUNE 12-2LS 12 SKF Linear Bearings NF220 100 180 34 CRAFT Cylindrical Roller Bearings QJ309 45 100 25 CX Angular Contact Ball Bearings SL04-5056NR 280 420 190 NTN Cylindrical Roller Bearings T311 76,2 161,925 33,338 Timken Thrust Roller Bearings 24044B.MB 220 340 118 FAG SPHERICAL ROLLER BEARINGS DN-3087 .8750 2.2500 .6875 FBC DEEP GROOVE BALL BEARINGS NJ2080E 400 600 118 SKF CYLINDRICAL ROLLER BEARINGS FLW685ZZ 5 11 5 NTN DEEP GROOVE BALL BEARINGS 6303.2RS 17 47 14 SKF DEEP GROOVE BALL BEARINGS
Hot number：FAG 239/670-B-K-MB + AH39/670-H NACHI 22326EXK ISO 7201 ADF AST AST40 2215 CX CX023 NACHI E5014 SIGMA ESA 20 0844 NTN NU309 NTN PK35X47X29.8 Timken X32205/Y32205 KOYO T921 SKF BK1514RS CONSOLIDATED 6202/008-2RS CONSOLIDATED 241/600 CONSOLIDATED 6328-ZZ NKE 29252-M AST 51240M KOYO 6008Z NSK 626 ZZ1 CX BK3516 FAG F-801841.02.KL-H95A Timken K18X24X12 Timken HM262749/HM262710 AST NCS4824 ISO NCF3034 V ISO NUP3207 SNR UCP312 MRC 9316-U MRC 211-SF CONSOLIDATED MI-44-W
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