Product Details
100 Series 21" Lawn Mower Blade (198-049) by Oregon Tool®. Oregon™ 100 Series Blades offers Ultra X-tended Cutting Length™, which means that each blade delivers its maximum mulching capability per rotation. Add that with Oregon Tool double bevel technology and the overall blade noise is reduced by up to 1.5 decibels. The 198-049 blade is made from Boron Steel that allows for the perfect balance between durability and ductility.
Specifications
| Blade Width: 2.25" |
| Thickness: 0.134" |
| Blade Length: 21" |
| Outer Hole Diameter: 5/16" |
| Center Hole Size: bow-tie |
| Center-to-Center: 2-1/2" |
| OffSet: 1/4" |
| Air Lift: 15/16" |
| Color: Black |
| Volume: 251.76 in³ |
| Product UOM: Each |
| Weight (with Packaging): 1.63 Lb |
| Product Height: 0.134 |
| Product Length: 21" |
| Product Width: 2.25 |
Features
- 100 Series Blades formed with double bevel technology for extended cutting edge and reduced blade noise
- Made with Boron Steel for extra durability and ductility
- Maximum mulching length
- Major brand replacement: MTD, Cub Cadet, Craftsman, Troy Bilt (1995 and newer)
- Fits: 742-0427, 742-04276S, 742-0741, 742-0741A, 942-0741, 942-0741A, 01002810, 490-100-M084
Blade Width - Measure near the center of the blade.
Thickness - Measure near the center of the blade.
Blade Length - Measured diagonally from the corners of the blade
Outer Hole Diameter - This is the diameter of any holes to the sides of the center hole.
Center Hole Size - Many blades will have a round hole in the center of the blade and you will need to know its diameter. Blade Length 5 or 7 Point Star Center holes may be 5 or 7 point star shaped. 5 point star on blade7 point star on blade Square or Rectangular The MTD built blades on many walk behind lawn mowers have a 'bow-tie' hole. In this case the Oregon replacement blade will have a rectangular center hole which will fit on the bow-tie pattern on the blade adapter. Square or Rectangular hole on blade MTD Blades The MTD™ built blades (Bolens, Cub Cadet, Troy-bilt, White, Yard Machine, and Yardman) may have a 6 point star. Oregon replacement blades will have a 'Y' shaped center hole which will fit exactly on the 6 point star on the blade spindle. 6 point star for MTD blades The two sizes of the 6 point star. If your blade spindle has a bolt and lock washer that holds the blade to the machine you would use the 11/16" star or 'Y' blade. blade spindle with bolt and lock washer. If your blade is secured with a large flange nut then you would use the 5/8" star or 'Y' blade. blade spindle with large flange nut
Center-to-Center - If there are outer holes; this is the distance between the centers of those outer holes.
OffSet - (Sometimes referred to as offset): If you set the blade on a table this is the distance the center of the blade is above the table top (if any) when the cutting edges are flat on the table
Air Lift - Air lift is the distance the lift panel rises above the cutting edge.
Fit Guide
Cub Cadet: 11A-A00X700, 11A-A00X799, 11A-A0A9897, 11A-A0BR799, 11A-A0S5731, 11A-A1B1758, 11A-A1KB783 RM140, 11A-A1S5700, 11A-A22J700, 11A-A2AQ897 P21XL-H, 11A-A2BA700, 11A-A2BA758, 11A-A2BX799, 11A-A40X897, 11A-A4BA897 P21, 11A-B0BA897, 11A-B0BA897 P21HW, 11A-B0BS799, 11A-B0S5700, 11A-B28S799, 11A-B29V897, 11A-B2BN704, 11A-B2BW799, 11A-B2BX799, 11A-B2KB783 RM160, 12A-A0A9778, 12A-A0BE700, 12A-A2B8799, 12A-B2A3778, 12ABB22J799, 12ABD29V897, 12ABD2AQ897 SP21S-H, 12ABD32J799, 12ACD29W897 SP21SE, 12AKD38S799, 12AKD3KB095, 12AKD3KB783 RM360, 12AKD3KH095, 12AVB15R799, 12AVB2A9704, 12AVB2KB783 RM205, 12AVB2RQ719, 12AVC62J719, 12AVC6RQ719, 12AVD6RQ719, 12AVD75R799, 12BGB2S6783 RM220, 12BVB15R799, 5521, CC439, CC469, CC46ES, CC46M, CC46MX, CC949, CC94M, CC98, CC989, CC98H, CC98K, CC98M, CC997ES, CC999ES, PR521, RM110 11A-B12F783, RM120 11A-B22J783, RM210 12AVB22J783, RM220 12AGB2S6783, S621, S621S, SC500, SC500E, SC500HW, SC500Z, SC621, SC621E, SR621, SRC621, SRE621
MTD: 11A-A0S5700, 11A-A1S5700, 11A-A2S5700, 11A-B0BL729, 11A-B0BL765, 11A-B0S5700, 11A-B1BE729, 11A-B2BN704, 11A-B9A9729
Ryobi: 11A-545734, 11A-545D034, 11A-546P034, 12A-568Q034
Troy-Bilt: 11A-426A011, 11A-426A066, 11A-426A711, 11A-426C211, 11A-426C266, 11A-429R766, 11A-436A711, 11A-436A766, 11A-436M011, 11A-436M066, 11A-436N063, 11A-436N211, 11A-436N266, 11A-436T063, 11A-439R766, 11A-542Q711, 11A-542Q766, 11A-546A711, 11A-546A766, 11A-546N711, 11A-549C766, 11A-549Q766, 11A-A22J766, 11A-A23N011, 11A-A23N066, 11A-A23O211, 11A-A23O711, 11A-A23O766, 11A-A26M011, 11A-A26M066, 11A-A26N211, 11A-A26N266, 11A-A2BM711, 11A-A2BM766, 11A-B0BL723, 11A-B2AQ723, 11A-B2BM766, 11A-B2RQ766, 11A-U2V2766, 12A-446A011, 12A-446A066, 12A-446A711, 12A-446C211, 12A-446C266, 12A-449A211, 12A-449R766, 12A-466A711, 12A-466A766, 12A-466M011, 12A-466M066, 12A-466N211, 12A-466N266, 12A-469R766, 12A-536N063, 12A-562Q711, 12A-566N711, 12A-566N766, 12A-959K063, 12A-998Q063, 12A-998Q766, 12A-999K063, 12A-A1BP723 (2019), 12A-A1BP723 (2021), 12A-A2BU711, 12A-A2BU766, 12A-C2BU711, 12A-L2DQ766 (2017, 2021), 12A-L2DQ766 (2018-19), 12A-M2MR766, 12A-N2DQ711, 12AD466N063, 12AD566N063, 12AD566N711, 12AD566N766, 12AE449A266, 12AE449D011, 12AE449D066, 12AE449E266, 12AF569O711, 12AF569O766, 12AGA2M6766, 12AGA2S6766, 12AK02MR766, 12AKC32N766, 12AKP3MR766, 12AVA2MR766 (2019), 12AVA2MR766 (2021), 12AVB2A3766, 12AVB2AQ711, 12AVB2AQ715, 12AVB2MR716, 12AVB2RQ766, 12AVO2A3766, 12BVB2MR766
Yard Machine: 115-410A000, 115-410A084, 115-410A147, 115-410A372, 115-411A033, 115-412A129, 115-412A134, 115-413A000, 115-414A302, 115-418C129, 115-418C134, 115-423A382, 115-424A033, 115-425A000, 115-426F372, 115-428C000, 115-428C023, 115-428C141, 115-808C000, 116-410A000, 116-411A033, 116-412A129, 116-413A000, 116-413A304, 116-414A302, 116-418C129, 116-424A033, 116-424A733, 116-424C372, 116-428C000, 116-428C141, 11A-418A300, 11A-418C033, 11A-41MB006, 11A-425G033, 11A-429B033, 11A-435E300, 11A-439R004, 11A-439S204, 11A-439W300, 11A-439W722, 11A-544B004, 11A-544K204, 11A-549P118, 11A-54M9006, 11A-54MC006, 11A549W300, 11B-413A033, 124-848C000, 125-148C000, 12A-378N033, 12A-378N733, 12A-379B033, 12A-458C033, 12A-469B033, 12A-469R004, 12A-469S204, 12A-469W722, 12A-568Q118, 12A-989Q795, 12AV569R004, 12AV569S204
Replacement Guide
Arnold: 490-100-C089, 490-100-M084, 490-100-M086
Bolens: 742-0741, 942-0741, 942-0741A
Craftsman: 942-0741, 942-0741A, 942-0741A-X
Cub Cadet: 490-100-C089, 490-100-M084, 742-04276, 742-04276S, 742-04380, 742-04380-0684, 742-0741, 742-0741-X, 742-0741A, 742-0741A-X, 942-04276, 942-04380, 942-04380-0684, 942-0741, 942-0741-X, 942-0741A, 942-0741A-X, 9420741X, CC-742-0741, OEM-742-0641, OEM-742-0741
Home Depot: 269480
Laser: 91012
Lowes: 95128
MTD: 01002810, 490-100-M084, 742-04276, 742-04276S, 742-04380, 742-04380-0684, 742-0641, 742-0741, 742-0741-S, 742-0741A, 742-0741A-X, 942-04380, 942-04380-0684, 942-0741, 942-0741-X, 942-0741A, 942-0741A-X, OEM-742-0741
Mowmore: MTD6423
Prime Line: 7-06711
Rotary: 6423
Rural King: 66891787
Ryobi: 742-0641
Snapper: 703371
Stens: 335-214
Sunbelt: B1MA2417
Tractor Supply: 4415249, 4441232, 4452178
Troy-Bilt: 490-100-M084, 742-0741, 742-0741A, 942-0641, 942-0741, 942-0741A, OEM-742-0741
Yard Machine: 742-0641, 742-0741, 942-0741, 942-0741A
For the last 74 years, Oregon Tool® has carved out a reputation as the undisputed market leader in saw chains, bars, sprockets, outdoor equipment accessories and parts, with more than 40 million products sold in more than 100 countries, from Sao Paolo to Siberian forests. Oregon Tool legacy of innovation has made Oregon Tool the first name in precision cutting tools and Oregon Tool continue to set the bar ever higher. Oregon Tool proven grind technology ensures Oregon Tool chains have above-and-beyond quality - burr-free cutting edge, consistent surface finish and even shot peening, because the men and women who choose Oregon Tool tools deserve to have product performance that matches their own passion and commitment to exactness and doing a job well done the first time around. Oregon Tool perform 25,000 hours of product testing each year in both lab and real-world settings, to ensure superior cutting quality and safety. That's why Oregon Tool is the World's #1 Saw Chain and manufactures more feet of chain than any other brand annually - enough to circle the planet 1.5 times. As global leaders in precision and cutting-edge technology, Oregon Tool are "Sharper by Nature."